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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
dou·ble    Audio Help   [duhb-uhl] Pronunciation Key adjective, noun, verb, -bled, -bling, adverb
–adjective
1.twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
2.composed of two like parts or members; twofold in form; paired: double doors; a double sink.
3.of, pertaining to, or suitable for two persons: a double room.
4.twofold in character, meaning, or conduct; dual or ambiguous: a double interpretation.
5.deceitful; hypocritical; insincere.
6.(of musical instruments) producing a tone an octave lower than the notes indicate.
7.duple, as time or rhythm.
8.folded in two; having one half folded over the other.
9.(of a bed or bedclothes) full-size: a double blanket.
10.Botany. (of flowers) having many more than the normal number of petals: double petunias; double hollyhocks.
–noun
11.anything that is twofold in size or amount or twice the usual size, quantity, strength, etc.
12.a duplicate or counterpart; something exactly or closely resembling another: This dress is the double of that. He is the double of his cousin.
13.Also called double room. a type of hotel accommodation with two beds, or sometimes a double bed, for occupancy by two persons. Compare twin (def. 4).
14.a fold or plait.
15.an alcoholic drink containing twice the usual amount of alcohol.
16.a sudden backward turn or bend, as of a fox on the run in fox hunting; reversal.
17.a trick or artifice, as of argument in a formal debate.
18.a substitute actor or singer ready to take another's place; understudy.
19.Movies, Television. a substitute who performs feats or actions too hazardous or difficult for a star.
20.Baseball. two-base hit.
21.Military. double time.
22.doubles, (used with a singular verb) a game or match in which there are two players on each side, as in tennis.
23.(in bridge or other card games)
a.a challenge by an opponent that the declarer cannot fulfill the designated contract, increasing the points to be won or lost.
b.a hand that warrants such a challenge.
24.Bridge. a conventional bid informing one's partner that a player's hand is of a certain strength.
25.Bowling. two strikes in succession: He needed a double in the tenth frame to win.
26.daily double.
27.any of certain feasts in the Roman Catholic Church, marked by a doubled antiphon and taking precedence over lesser feasts.
28.Music Rare. a variation.
29.a former coin of France, the sixth part of a sol, issued in silver in the 14th century, later made of copper.
–verb (used with object)
30.to make double or twice as great; to add an equal amount to: The baby doubled its weight in a year.
31.to bend or fold with or as with one part over another (often fol. by over, up, back, etc.): Double the edge over before sewing.
32.to clench: He doubled his fists.
33.to be or have twice as much as: Income doubled expenditure.
34.Nautical.
a.to sail around (a projecting area of land): to double Cape Horn.
b.to add a new layer of planking or ceiling to (an old wooden hull).
35.to pair; couple: The players were doubled for the tournament.
36.Music. to reduplicate by means of a tone in another part, either at the unison or at an octave above or below.
37.(in bridge and other card games)
a.to challenge (the bid of an opponent) by making a call that increases the value of tricks to be won or lost.
b.to challenge the bid of (an opponent): He doubled me into game.
38.Baseball.
a.to cause the advance of (a base runner) by a two-base hit: He doubled him to third.
b.to cause (a run) to be scored by a two-base hit (often fol. by in): He doubled in the winning run.
c.to put out (a base runner) as the second out of a double play (often fol. by up).
–verb (used without object)
39.to become double: My money doubled in three years.
40.to bend or fold (often fol. by up or over): to double over with pain.
41.to turn back on a course or reverse direction (often fol. by back): He doubled back by another road and surprised us.
42.Military. to march at the double-time pace.
43.to serve in two capacities or in an additional capacity: She doubles as producer and director.
44.to act as a double in a play, motion picture, or the like.
45.Music. to play an instrument besides one's regular instrument (usually followed by on): The saxophonist doubles on drums.
46.(in bridge and other card games) to double the bid of an opponent.
47.Baseball. to make a two-base hit.
48.to double-date.
–adverb
49.to twice the amount, number, extent, etc.; twofold; doubly.
50.two together: There are only a few beds, so some of the children will have to sleep double for the night.
51.double up,
a.to share quarters planned for only one person or family: Because of the room shortage, we had to double up.
b.to bend over, as from pain: He doubled up in agony.
52.at the double, British Informal. on the double.
53.double in brass, Informal. to serve in two capacities; be able to do work different from one's own: It is a small firm, and everyone doubles in brass when emergencies arise.
54.double or nothing, a bet having as its outcome either the doubling of a previous loss or debt or the canceling of that loss or debt. Also, double or quits.
55.on the double, Informal.
a.without delay; rapidly: The fire engines came on the double.
b.in double time, as marching troops.

[Origin: 1175–1225; ME < OF < L duplus, equiv. to du(o) two + -plus -fold]

dou·ble·ness, noun
doubler, noun
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Encyclopædia Britannica, Inc.
Double

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American Heritage Dictionary - Cite This Source - Share This
dou·ble    Audio Help   (dŭb'əl)  Pronunciation Key 
adj.  
  1. Twice as much in size, strength, number, or amount: a double dose.
  2. Composed of two like parts: double doors.
  3. Composed of two unlike parts; dual: a double meaning; a double role for an actor.
  4. Accommodating or designed for two: a double bed; a double room.
  5. Characterized by duplicity; deceitful: speak with a double tongue.
  6. Botany Having many more than the usual number of petals, usually in a crowded or an overlapping arrangement: a double chrysanthemum.

n.  
  1. Something increased twofold.
  2. One that closely resembles another; a duplicate.
    1. An actor's understudy.
    2. An actor who takes the place of another actor in scenes requiring special skills or preparations: a stunt double; a body double.
    3. A sharp turn in a direction of movement; a reversal.
    4. A sharp, often devious change in position or argument; a shift.
    5. A bid in bridge indicating strength to one's partner; a request for a bid.
    6. A bid doubling one's opponent's bid in bridge, thus increasing the penalty for failure to fulfill the contract.
    7. A hand justifying such a bid.
  3. An apparition; a wraith.
    1. A sharp turn in a direction of movement; a reversal.
    2. A sharp, often devious change in position or argument; a shift.
    3. A bid in bridge indicating strength to one's partner; a request for a bid.
    4. A bid doubling one's opponent's bid in bridge, thus increasing the penalty for failure to fulfill the contract.
    5. A hand justifying such a bid.
  4. doubles Sports A form of a game, such as tennis or handball, having two players on each side.
  5. Baseball See two-base hit.
  6. Games
    1. A bid in bridge indicating strength to one's partner; a request for a bid.
    2. A bid doubling one's opponent's bid in bridge, thus increasing the penalty for failure to fulfill the contract.
    3. A hand justifying such a bid.

v.   dou·bled, dou·bling, dou·bles

v.   tr.
  1. To make twice as great.
  2. To be twice as much as: doubled the score of his opponent.
  3. To fold in two.
  4. To clench (one's fist).
  5. To duplicate; repeat.
  6. To turn (an enemy spy) into a double agent.
  7. Baseball
    1. To cause the scoring of (a run) by hitting a two-base hit.
    2. To advance or score (a runner) by hitting a two-base hit.
  8. Baseball To put out (a runner) as the second part of a double play.
  9. Games To challenge (an opponent's bid) with a double in bridge.
  10. Music To duplicate (another part or voice) an octave higher or lower or in unison.
  11. Nautical To sail around: double a cape.

v.   intr.
  1. To be increased twofold: The debt soon doubled.
  2. To turn sharply or all the way around; reverse one's course: had to double back to touch the missed base.
  3. To serve in an additional capacity: a frying pan that doubles as a pie tin; a conductor who doubles as a pianist.
  4. To replace an actor in the actor's absence or in a certain scene.
  5. Baseball To hit a two-base hit.
  6. Games To announce a double in bridge.

adv.  
  1. To twice the amount or extent; doubly: paid double for the customized car.
  2. Two together; in pairs: sleeping double.
  3. In two: bent double.

Phrasal Verb(s):
double up
  1. To bend suddenly, as in pain or laughter.
  2. To share accommodations meant for one person.

Idiom(s):
on/at the double
  1. Immediately.
  2. In double time.

[Middle English, from Old French, from Latin duplus; see dwo- in Indo-European roots.]

dou'ble·ness n.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Dictionary - Cite This Source - Share This
two-base hit   (tōō'bās')
n.   Baseball
A hit enabling the batter to reach second base. Also called double, two-bagger.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
double 
c.1225, from O.Fr. duble, from L. duplus "twofold," from duo "two" + -plus "fold." Verb meaning "to work as, in addition to one's regular job" is c.1920, circus slang, from performers who also played in the band. Double-header is first recorded 1869, Amer.Eng., originally a kind of fireworks or a railway train pulled by two engines; baseball sense is c.1890. Double Dutch "gibberish" is attested from 1864 (High Dutch for "incomprehensible language" is recorded from 1789). Double agent is first attested 1935; double date is from 1931. Double-take and double talk both first attested 1938. Military double time (1833) was originally 130 steps per minute; in modern U.S. Army 180 steps of 36 inches in a minute.

Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
double

adjective
1. having more than one decidedly dissimilar aspects or qualities; "a double (or dual) role for an actor"; "the office of a clergyman is twofold; public preaching and private influence"- R.W.Emerson; "every episode has its double and treble meaning"-Frederick Harrison 
2. consisting of or involving two parts or components usually in pairs; "an egg with a double yolk"; "a double (binary) star"; "double doors"; "dual controls for pilot and copilot"; "duple (or double) time consists of two (or a multiple of two) beats to a measure" 
3. twice as great or many; "ate a double portion"; "the dose is doubled"; "a twofold increase" 
4. used of flowers having more than the usual number of petals in crowded or overlapping arrangements; "double chrysanthemums have many rows of petals and are usually spherical or hemispherical" [ant: single
5. used of homologous chromosomes associated in pairs in synapsis [syn: bivalent] [ant: multivalent, univalent
6. large enough for two; "a double bed"; "a double room" 
7. having two meanings with intent to deceive; "a sly double meaning"; "spoke with forked tongue" 

adverb
1. downward and forward; "he was bent double with pain" 
2. two together; "some people sleep better double" 
3. to double the degree; "she was doubly rewarded"; "his eyes were double bright" [syn: doubly

noun
1. a base hit on which the batter stops safely at second base; "he hit a double to deep centerfield" 
2. a stand-in for movie stars to perform dangerous stunts; "his first job in Hollywood was as a double for Clark Gable" 
3. someone who closely resembles a famous person (especially an actor); "he could be Gingrich's double"; "she's the very image of her mother" 
4. a quantity that is twice as great as another; "36 is the double of 18" 
5. raising the stakes in a card game by a factor of 2; "I decided his double was a bluff" [syn: doubling

verb
1. increase twofold; "The population doubled within 50 years" 
2. hit a two-base hit 
3. bend over or curl up, usually with laughter or pain; "He doubled and vomited violently" [syn: double over
4. do double duty; serve two purposes or have two functions; "She doubles as his wife and secretary" 
5. bridge: make a demand for (a card or suit) 
6. make or do or perform again; "He could never replicate his brilliant performance of the magic trick" [syn: duplicate

WordNet® 3.0, © 2006 by Princeton University.
Kernerman English Multilingual Dictionary - Cite This Source - Share This
double1 [ˈdabl] adjective
of twice the (usual) weight, size etc
Example: A double whisky, please.
Arabic: مُضاعَف
Chinese (Simplified): 两倍的
Chinese (Traditional): 兩倍的
Czech: dvojitý
Danish: dobbelt
Dutch: dubbel
Estonian: kahekordne, topelt-
Finnish: kaksinkertainen, tupla-
French: double
German: doppelt
Greek: διπλός, διπλάσιος
Hungarian: dupla
Icelandic: tvöfaldur
Indonesian: dua kali lipat
Italian: doppio
Japanese: 2倍の
Korean: 두 배의
Latvian: dubults
Lithuanian: dvigubas
Norwegian: dobbel(t)
Polish: podwójny
Portuguese (Brazil): duplo
Portuguese (Portugal): duplo
Romanian: du­blu
Russian: двойной
Slovak: dvojitý
Slovenian: dvojen
Spanish: doble
Swedish: dubbel, stor
Turkish: duble, iki katı
double2 [ˈdabl] adjective
two of a sort together or occurring in pairs
Example: double doors
Arabic: مُزْدَوِج
Chinese (Simplified): 双的
Chinese (Traditional): 雙的
Czech: dvojitý
Danish: dobbeltdøre; dobbelt-
Dutch: dubbel
Estonian: kahe poolega
Finnish: kaksois-
French: double
German: Doppel-…
Greek: διπλός
Hungarian: kettős
Icelandic: tvöfaldur, tvískiptur
Indonesian: kembar
Italian: doppio
Japanese: 対の
Korean: 두 개로 된, 쌍을 이룬
Latvian: divkāršs
Lithuanian: dvigubas
Norwegian: dobbel(t)
Polish: podwójny
Portuguese (Brazil): duplo
Portuguese (Portugal): duplo
Romanian: dublu
Russian: двойной
Slovak: dvojitý
Slovenian: dvojen
Spanish: doble
Swedish: dubbel-
Turkish: çift, ikili
double3 [ˈdabl] adjective
consisting of two parts or layers
Example: a double thickness of paper; a double meaning
Arabic: ثُنائي، مُضَعَّف
Chinese (Simplified): 双重的
Chinese (Traditional): 雙重的
Czech: dvojnásobný; dvojí
Danish: dobbelt
Dutch: tweevoudig
Estonian: kahekordne
Finnish: kaksinkertainen, kaksois-
French: double
German: zweifach
Greek: διπλός, διττός
Hungarian: kettős, dupla
Icelandic: tvöfaldur
Indonesian: dua lapis
Italian: doppio
Japanese: 2重の
Korean: 두 겹의, 이중으로 된
Latvian: dubults
Lithuanian: dvigubas
Norwegian: dobbel(t)
Polish: podwójny
Portuguese (Brazil): duplo
Portuguese (Portugal): duplo
Romanian: dublu
Russian: двойной
Slovak: dvojitý; dvojaký
Slovenian: dvojen
Spanish: doble
Swedish: dubbel
Turkish: çift
double4 [ˈdabl] adjective
for two people
Example: a double bed
Arabic: مُزْدَوِج
Chinese (Simplified): 双人的
Chinese (Traditional): 雙人的
Czech: pro dva
Danish: dobbeltseng; dobbelt-
Dutch: tweepersoons
Estonian: kaheinimese-
Finnish: kahden hengen, kaksois-
French: pour deux personnes
German: Doppel-…
Greek: διπλός
Hungarian: kétszemélyes
Icelandic: fyrir tvo
Indonesian: untuk dua orang
Italian: a due piazze*, matrimoniale
Japanese: 2人用の
Korean: 2인용의
Latvian: divguļamā gulta
Lithuanian: skirtas dviem, dvivietis, dvigulis
Norwegian: for to personer, dobbelt(-)
Polish: podwójny
Portuguese (Brazil): duplo
Portuguese (Portugal): de casal
Romanian: dublu
Russian: двуспальный
Slovak: pre dvoch
Slovenian: dvojen
Spanish: doble
Swedish: dubbel-
Turkish: çift, iki kişilik
double1 [ˈdabl] adverb
twice
Example: I gave her double the usual quantity.
Arabic: ضِعْف
Chinese (Simplified): 双倍地
Chinese (Traditional): 雙倍地
Czech: dvakrát
Danish: to gange; dobbelt
Dutch: dubbel
Estonian: kaks korda
Finnish: kaksi kertaa
French: deux fois
German: doppelt
Greek: διπλάσια
Hungarian: kétszeresen
Icelandic: tvisvar sinnum
Indonesian: dua kali
Italian: due volte*
Japanese: 2倍
Korean: 갑절로, 배로
Latvian: divkārši; dubulti
Lithuanian: dvigubai (daugiau)
Norwegian: to ganger, dobbelt så mye
Polish: podwójnie
Portuguese (Brazil): duas vezes
Portuguese (Portugal): duas vezes
Romanian: de două ori
Russian: вдвое
Slovak: dvojnásobok, (ešte) raz toľko
Slovenian: dvakratno
Spanish: dos veces
Swedish: dubbelt
Turkish: iki katı
double2 [ˈdabl] adverb
in two
Example: The coat had been folded double.
Arabic: إلى إثْنَيْن
Chinese (Simplified): 重叠
Chinese (Traditional): 重疊
Czech: nadvakrát
Danish: to gange; dobbelt
Dutch: dubbel
Estonian: kahekordselt
Finnish: kahtia
French: en deux
German: doppelt
Greek: στα δύο
Hungarian: kettőbe
Icelandic: í tvennt; brotinn saman
Indonesian: jadi dua
Italian: in due*
Japanese: 2つに
Korean: 이중으로
Latvian: dubulti
Lithuanian: dvilinkai
Norwegian: brettet sammen, lagt dobbelt
Polish: we dwoje, na pół
Portuguese (Brazil): em dois
Portuguese (Portugal): em dois
Romanian: în două
Russian: вдвое
Slovak: (preložený) dvojmo
Slovenian: dvakratno
Spanish: en dos
Swedish: dubbel
Turkish: ikiye
double1 [ˈdabl] noun
a double quantity
Example: Whatever the women earn, the men earn double.
Arabic: ضِعْف
Chinese (Simplified): 两倍
Chinese (Traditional): 兩倍
Czech: dvojnásobek
Danish: det dobbelte
Dutch: het dubbele
Estonian: kahekordne hulk
Finnish: kaksinkertainen määrä
French: le double
German: das Doppelte
Greek: το διπλάσιο
Hungarian: vminek a duplája
Icelandic: tvöfalt magn
Indonesian: dua kali lipat
Italian: il doppio*
Japanese: 2倍の量
Korean: 곱, 배, 두 배
Latvian: divkāršs daudzums
Lithuanian: dvigubai didesnis kiekis
Norwegian: det dobbelte, dobbelt så mye
Polish: dwa, 2 razy tyle
Portuguese (Brazil): dobro
Portuguese (Portugal): dobro
Romanian: dublu
Russian: двойное количество
Slovak: dvojnásobok
Slovenian: dvojna količina
Spanish: el doble
Swedish: dubbelt så mycket (många)
Turkish: iki kat, iki misli
double2 [ˈdabl] noun
someone who is exactly like another
Example: He is my father's double.
Arabic: قَسيم، صِنْو، بَديل
Chinese (Simplified): 极相似的人
Chinese (Traditional): 极相似的人
Czech: dvojník
Danish: dobbeltgænger
Dutch: dubbelganger
Estonian: teisik
Finnish: kaksoisolento
French: sosie
German: der Doppelgänger
Greek: σωσίας
Hungarian: hasonmás
Icelandic: tvífari
Indonesian: kembaran
Italian: sosia
Japanese: 生き写し
Korean: 꼭 닮은 사람
Latvian: dubultnieks
Lithuanian: antrininkas
Norwegian: kopi, dobbeltgjenger, motstykke
Polish: sobowtór
Portuguese (Brazil): sósia
Portuguese (Portugal): sósia
Romanian: sosie
Russian: двойник
Slovak: dvojník
Slovenian: dvojnik
Spanish: doble
Swedish: dubbelgångare
Turkish: eş, ikiz
double1 [ˈdabl] verb
to (cause to) become twice as large or numerous
Example: He doubled his income in three years; Road accidents have doubled since 1960.
Arabic: يُضَعِفُ
Chinese (Simplified): 加倍
Chinese (Traditional): 加倍
Czech: zdvojnásobit
Danish: fordoble
Dutch: verdubbelen
Estonian: kahekordistama, kahekordistuma
Finnish: kaksinkertaistaa, kaksinkertaistua
French: doubler
German: verdoppeln
Greek: διπλασιάζω, διαπλασιάζομαι
Hungarian: megdupláz
Icelandic: tvöfalda(st)
Indonesian: berlipat dua
Italian: raddoppiare, duplicare
Japanese: 2倍にする
Korean: 배가 되다; 배가 되게 하다
Latvian: dubultot; dubultoties
Lithuanian: padvigubinti, padvigubėti
Norwegian: (for)doble(s)
Polish: podwoić
Portuguese (Brazil): duplicar
Portuguese (Portugal): duplicar
Romanian: a (se) dubla
Russian: удваивать(ся)
Slovak: zdvojnásobiť
Slovenian: podvojiti (se)
Spanish: duplicar, doblar
Swedish: fördubbla, dubblera
Turkish: iki kat ar(tır)mak, iki katına çık(ar)mak
double2 [ˈdabl] verb
to have two jobs or uses
Example: This sofa doubles as a bed.
Arabic: يَزْدَوِج، يكون ذو وَظيفَتَين
Chinese (Simplified): 兼作
Chinese (Traditional): 兼作
Czech: sloužit též jako
Danish: arbejde ekstra som; tjener også som
Dutch: een dubbele functie hebben
Estonian: töötab ka, käib ka … eest
Finnish: toimia myös
French: servir aussi de
German: zweifach nutzbar
Greek: έχω διπλή χρήση
Hungarian: vmi kettős felhasználású
Icelandic: gegna tvöföldu hlutverki
Indonesian: punya kegunaan ganda
Italian: servire anche da*
Japanese: 2役を勤める
Korean: 두 가지 역할을 하다
Latvian: izpildīt divas funkcijas, *dar-bus
Lithuanian: atlikti dvi funkcijas, *du darbus
Norwegian: ha to jobber eller funksjoner
Polish: pełnić też funkcję
Portuguese (Brazil): desdobrar-se
Portuguese (Portugal): desdobrar-se
Romanian: a putea fi folosit şi ca
Russian: совмещать
Slovak: slúžiť aj ako
Slovenian: imeti dvojno rabo
Spanish: hacer las veces de, usarse de
Swedish: göra dubbel tjänst, ha dubbel funktion
Turkish: iki kullanımı olmak
See also: at the double, double agent, double back, double bass, double figures, double up, double-check, doubles, double-bedded, double-cross, double-dealing, double-decker, double-Dutch, double-quick, see double

Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd.
U.S. Gazetteer - Cite This Source - Share This

Double Springs, AL (town, FIPS 21280) Location: 34.14836 N, 87.40314 W
Population (1990): 1138 (452 housing units)
Area: 9.1 sq km (land), 0.0 sq km (water)
Zip code(s): 35553

Double Oak, TX (town, FIPS 21028) Location: 33.06407 N, 97.11261 W
Population (1990): 1664 (513 housing units)
Area: 5.6 sq km (land), 0.1 sq km (water)

U.S. Gazetteer, U.S. Census Bureau
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Double

Am"ple\, a. [F. ample, L. amplus, prob. for ambiplus full on both sides, the last syllable akin to L. plenus full. See Full, and cf. Double.] Large; great in size, extent, capacity, or bulk; spacious; roomy; widely extended.

All the people in that ample house Did to that image bow their humble knees. --Spenser.

2. Fully sufficient; abundant; liberal; copious; as, an ample fortune; ample justice.

3. Not contracted of brief; not concise; extended; diffusive; as, an ample narrative. --Johnson.

Syn: Full; spacious; extensive; wide; capacious; abundant; plentiful; plenteous; copious; bountiful; rich; liberal; munificent.

Usage: Ample, Copious, Abundant, Plenteous. These words agree in representing a thing as large, but under different relations, according to the image which is used. Ample implies largeness, producing a sufficiency or fullness of supply for every want; as, ample stores or resources, ample provision. Copious carries with it the idea of flow, or of collection at a single point; as, a copious supply of materials. "Copious matter of my song." --Milton. Abundant and plenteous refer to largeness of quantity; as, abundant stores; plenteous harvests.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Double

Cru"node\ (kr?"n?d), n. [Prob. fr. L. crux a cross + E. node.] (Geom.) A point where one branch of a curve crosses another branch. See Double point, under Double, a.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Double

Di*plo"ma\, n.; pl. Diplomas. [L., fr. Gr. ?, fr. ? to double, fr. ? twofold. See Double.] A letter or writing, usually under seal, conferring some privilege, honor, or power; a document bearing record of a degree conferred by a literary society or educational institution.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Double

Dou"ble\, a. [OE. doble, duble, double, OF. doble, duble, double, F. double, fr. L. duplus, fr. the root of duo two, and perh. that of plenus full; akin to Gr. ? double. See Two, and Full, and cf. Diploma, Duple.]

1. Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc.

Let a double portion of thy spirit be upon me. -- 2 Kings ii. 9.

Darkness and tempest make a double night. --Dryden.

2. Being in pairs; presenting two of a kind, or two in a set together; coupled.

[Let] The swan, on still St. Mary's lake, Float double, swan and shadow. --Wordsworth.

3. Divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere.

With a double heart do they speak. -- Ps. xii. 2.

4. (Bot.) Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double.

Note: Double is often used as the first part of a compound word, generally denoting two ways, or twice the number, quantity, force, etc., twofold, or having two.

Double base, or Double bass (Mus.), the largest and lowest-toned instrument in the violin form; the contrabasso or violone.

Double convex. See under Convex.

Double counterpoint (Mus.), that species of counterpoint or composition, in which two of the parts may be inverted, by setting one of them an octave higher or lower.

Double court (Lawn Tennis), a court laid out for four players, two on each side.

Double dagger (Print.), a reference mark ([dag]) next to the dagger ([dagger]) in order; a diesis.

Double drum (Mus.), a large drum that is beaten at both ends.

Double eagle, a gold coin of the United States having the value of 20 dollars.

Double entry. See under Bookkeeping.

Double floor (Arch.), a floor in which binding joists support flooring joists above and ceiling joists below. See Illust. of Double-framed floor.

Double flower. See Double, a., 4.

Double-framed floor (Arch.), a double floor having girders into which the binding joists are framed.

Double fugue (Mus.), a fugue on two subjects.

Double letter. (a) (Print.) Two letters on one shank; a ligature. (b) A mail requiring double postage.

Double note (Mus.), a note of double the length of the semibreve; a breve. See Breve.

Double octave (Mus.), an interval composed of two octaves, or fifteen notes, in diatonic progression; a fifteenth.

Double pica. See under Pica.

Double play (Baseball), a play by which two players are put out at the same time.

Double plea (Law), a plea alleging several matters in answer to the declaration, where either of such matters alone would be a sufficient bar to the action. --Stephen.

Double point (Geom.), a point of a curve at which two branches cross each other. Conjugate or isolated points of a curve are called double points, since they possess most of the properties of double points (see Conjugate). They are also called acnodes, and those points where the branches of the curve really cross are called crunodes. The extremity of a cusp is also a double point.

Double quarrel. (Eccl. Law) See Duplex querela, under Duplex.

Double refraction. (Opt.) See Refraction.

Double salt. (Chem.) (a) A mixed salt of any polybasic acid which has been saturated by different bases or basic radicals, as the double carbonate of sodium and potassium, NaKCO3.6H2O. (b) A molecular combination of two distinct salts, as common alum, which consists of the sulphate of aluminium, and the sulphate of potassium or ammonium.

Double shuffle, a low, noisy dance.

Double standard (Polit. Econ.), a double standard of monetary values; i. e., a gold standard and a silver standard, both of which are made legal tender.

Double star (Astron.), two stars so near to each other as to be seen separate only by means of a telescope. Such stars may be only optically near to each other, or may be physically connected so that they revolve round their common center of gravity, and in the latter case are called also binary stars.

Double time (Mil.). Same as Double-quick.

Double window, a window having two sets of glazed sashes with an air space between them.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Double

Dou"ble\, a. [OE. doble, duble, double, OF. doble, duble, double, F. double, fr. L. duplus, fr. the root of duo two, and perh. that of plenus full; akin to Gr. ? double. See Two, and Full, and cf. Diploma, Duple.]

1. Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc.

Let a double portion of thy spirit be upon me. -- 2 Kings ii. 9.

Darkness and tempest make a double night. --Dryden.

2. Being in pairs; presenting two of a kind, or two in a set together; coupled.

[Let] The swan, on still St. Mary's lake, Float double, swan and shadow. --Wordsworth.

3. Divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere.

With a double heart do they speak. -- Ps. xii. 2.

4. (Bot.) Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double.

Note: Double is often used as the first part of a compound word, generally denoting two ways, or twice the number, quantity, force, etc., twofold, or having two.

Double base, or Double bass (Mus.), the largest and lowest-toned instrument in the violin form; the contrabasso or violone.

Double convex. See under Convex.

Double counterpoint (Mus.), that species of counterpoint or composition, in which two of the parts may be inverted, by setting one of them an octave higher or lower.

Double court (Lawn Tennis), a court laid out for four players, two on each side.

Double dagger (Print.), a reference mark ([dag]) next to the dagger ([dagger]) in order; a diesis.

Double drum (Mus.), a large drum that is beaten at both ends.

Double eagle, a gold coin of the United States having the value of 20 dollars.

Double entry. See under Bookkeeping.

Double floor (Arch.), a floor in which binding joists support flooring joists above and ceiling joists below. See Illust. of Double-framed floor.

Double flower. See Double, a., 4.

Double-framed floor (Arch.), a double floor having girders into which the binding joists are framed.

Double fugue (Mus.), a fugue on two subjects.

Double letter. (a) (Print.) Two letters on one shank; a ligature. (b) A mail requiring double postage.

Double note (Mus.), a note of double the length of the semibreve; a breve. See Breve.

Double octave (Mus.), an interval composed of two octaves, or fifteen notes, in diatonic progression; a fifteenth.

Double pica. See under Pica.

Double play (Baseball), a play by which two players are put out at the same time.

Double plea (Law), a plea alleging several matters in answer to the declaration, where either of such matters alone would be a sufficient bar to the action. --Stephen.

Double point (Geom.), a point of a curve at which two branches cross each other. Conjugate or isolated points of a curve are called double points, since they possess most of the properties of double points (see Conjugate). They are also called acnodes, and those points where the branches of the curve really cross are called crunodes. The extremity of a cusp is also a double point.

Double quarrel. (Eccl. Law) See Duplex querela, under Duplex.

Double refraction. (Opt.) See Refraction.

Double salt. (Chem.) (a) A mixed salt of any polybasic acid which has been saturated by different bases or basic radicals, as the double carbonate of sodium and potassium, NaKCO3.6H2O. (b) A molecular combination of two distinct salts, as common alum, which consists of the sulphate of aluminium, and the sulphate of potassium or ammonium.

Double shuffle, a low, noisy dance.

Double standard (Polit. Econ.), a double standard of monetary values; i. e., a gold standard and a silver standard, both of which are made legal tender.

Double star (Astron.), two stars so near to each other as to be seen separate only by means of a telescope. Such stars may be only optically near to each other, or may be physically connected so that they revolve round their common center of gravity, and in the latter case are called also binary stars.

Double time (Mil.). Same as Double-quick.

Double window, a window having two sets of glazed sashes with an air space between them.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Double

Dou"ble\, adv. Twice; doubly.

I was double their age. --Swift.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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