J definition | Dictionary.com

J, j

[

jey]

–noun, plural J's or Js, j's or js.

1.	the tenth letter of the English alphabet, a consonant.

2.	any spoken sound represented by the letter J or j, as in just, major, or rajah.

3.	something having the shape of a J.

4.	a written or printed representation of the letter J or j.

5.	a device, as a printer's type, for reproducing the letter J or j.

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J

Jewish.

2.	Also, j Physics. joule; joules.

J

Symbol.

1.	the tenth in order or in a series, or, when I is omitted, the ninth.

2.	(sometimes lowercase) the medieval Roman numeral for 1.

Compare Roman numerals.

j

Symbol.

1.	Mathematics. a unit vector on the y-axis of a coordinate system.

2.	Engineering. the imaginary number .

J.

1.	Cards. Jack.

Journal.

Judge.

Justice.

Gard⋅ner

[gahrd-ner]

–noun

1.	Erle Stanley /ɜrl/ Show Spelled Pronunciation [url] Show IPA , 1889–1970, U.S. writer of detective stories.

2.	Dame Helen (Louise), 1908–86, British educator and literary critic.

3.	Isabella Stewart, 1840–1924, U.S. art collector.

4.	John (Champ⋅lin, Jr.) [champ-lin] Show IPA , 1933–82, U.S. novelist and critic.

5.	John W(illiam), 1912–2002, U.S. educator and author: Secretary of Health, Education, and Welfare 1965–68.

6.	a city in N Massachusetts. 17,900.

7.	a male given name: from an Old French word meaning “gardener.”

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To J

j¹ or J (jā)

n. pl. j's or J's also js or Js

The tenth letter of the modern English alphabet.
Any of the speech sounds represented by the letter j.
The tenth in a series.
Something shaped like the letter J.
J The hypothetical traditional source of those portions of the Pentateuch in which God is referred to with the Tetragrammaton rather than as Elohim.

[Sense 5, from J(ehovah).]

j² or J
Electricity
The symbol for current density.

J
abbr.

Games jack
or j joule

jack (jāk)

often Jack Informal A man; a fellow.
1. One who does odd or heavy jobs; a laborer.
2. One who works in a specified manual trade. Often used in combination: a lumberjack; a steeplejack.
3. Jack A sailor; a tar.
4. jacks (used with a sing. or pl. verb) A game played with a set of small six-pointed metal pieces and a small ball, the object being to pick up the pieces in various combinations.
5. One of the metal pieces so used.
6. A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.
7. A wooden wedge for cleaving rock.
8. A support or brace, especially the iron crosstree on a topgallant masthead.
9. A small flag flown at the bow of a ship, usually to indicate nationality.
Abbr. J Games A playing card showing the figure of a servant or soldier and ranking below a queen. Also called knave.
Games
1. jacks (used with a sing. or pl. verb) A game played with a set of small six-pointed metal pieces and a small ball, the object being to pick up the pieces in various combinations.
2. One of the metal pieces so used.
3. A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.
4. A wooden wedge for cleaving rock.
5. A support or brace, especially the iron crosstree on a topgallant masthead.
6. A small flag flown at the bow of a ship, usually to indicate nationality.
Sports A pin used in some games of bowling.
1. A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.
2. A wooden wedge for cleaving rock.
3. A support or brace, especially the iron crosstree on a topgallant masthead.
4. A small flag flown at the bow of a ship, usually to indicate nationality.
A device used for turning a spit.
Nautical
1. A support or brace, especially the iron crosstree on a topgallant masthead.
2. A small flag flown at the bow of a ship, usually to indicate nationality.
The male of certain animals, especially the ass.
Any of several food and game fishes of the family Carangidae, found in tropical and temperate seas.
A jackrabbit.
A socket that accepts a plug at one end and attaches to electric circuitry at the other.
Slang Money.
Applejack.
Slang A small or worthless amount: You don't know jack about that.

v. jacked, jack·ing, jacks

v. tr.

To hunt or fish for with a jacklight: hunters illegally jacking deer.
1. To move or hoist by or as if by using a jack: jacked the rear of the car to replace the tire.
2. To raise (something) to a higher level, as in cost: "Foreign producers jacked up the price on some steels by over 100%" (Forbes).
Baseball To hit (a pitched ball) hard, especially for a home run.

v. intr.
To hunt or fish for quarry by using a jacklight.
Phrasal Verb(s):
jack off Vulgar Slang To masturbate.

[From the name Jack, from Middle English Jakke, possibly from Old French Jacques, from Late Latin Iacōbus; see Jacob. N., sense 15, short for jack shit.]
jack'er n.

joule (jōōl, joul)

n. Abbr. J or j

The International System unit of electrical, mechanical, and thermal energy.
1. A unit of electrical energy equal to the work done when a current of one ampere is passed through a resistance of one ohm for one second.
2. A unit of energy equal to the work done when a force of one newton acts through a distance of one meter. See Table at measurement.

[After James Prescott Joule.]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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J\ (j[=a]). J is the tenth letter of the English alphabet. It is a later variant form of the Roman letter I, used to express a consonantal sound, that is, originally, the sound of English y in yet. The forms J and I have, until a recent time, been classed together, and they have been used interchangeably.

Note: In medical prescriptions j is still used in place of i at the end of a number, as a Roman numeral; as, vj, xij. J is etymologically most closely related to i, y, g; as in jot, iota; jest, gesture; join, jugular, yoke. See I. J is a compound vocal consonant, nearly equivalent in sound to dzh. It is exactly the same as g in gem. See Guide to Pronunciation, [sect][sect] 179, 211, 239.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : J

Spanish: para ser justo con,

German: Gerechtigkeit widerfahren lassen,

Japanese: 公平にいって

More Translations »

the letter is a late modification of Roman -i-, originally a scribal creation in continental M.L. to distinguish small -i- in cursive writing from the strokes of other letters, especially in the final positions of words. But in Eng., -y- was used for this, and -j- was introduced c.1600-1640 to take up the consonantal sound that had evolved from -i- since L.L. times. This usage first was attested in Sp., where it was in place before 1600. Eng. dictionaries continued to lump together words beginning in -i- and -j- until 19c.

J

A Nasdaq stock symbol specifying that the stock has voting rights.

Investopedia Commentary

Nasdaq-listed securities have four or five characters. If a fifth letter appears, it indicates that the issue is other than a single issue of common or capital stock.

Used in the dividend column of stock transaction tables to indicate that the listed dividend was paid earlier in the year but that the latest board meeting voted an omitted or a deferred dividend or decided to take no action on the dividend: ChockFull j.

Main Entry: J
Function: symbol
mechanical equivalent of heat

J abbr.
joule

J
Abbreviation of joule

J
A derivative and redesign of APL with added features and control structures. J is purely functional with lexical scope and more conventional control structures, plus several new concepts such as function rank and function arrays. J was designed and developed by Kennneth E. Iverson and Roger Hui . J uses only the ASCII character set but has a spelling scheme that retains the advantages of APL's special alphabet. J is a conventional procedural programming language but can be used as a purely functional language.
Version 4.1 for MS-DOS, Sun, Mac, Archimedes. Source available in C from Iverson Software, +1 (416) 925 6096.
Version 6 package from ISI includes an interpreter and tutorial. Ported to DEC, NeXT, SGI, Sun-3, Sun-4, Vax, RS/6000, MIPS, Macintosh, Acorn Archimedes, IBM PC, Atari, 3b1, Amiga.
(ftp://watserv1.waterloo.edu/languages/apl/j).
J-mode GNU Emacs macros available by (ftp://think.com/pub/j/gmacs/j-interaction-mode.el).
["APL\?", Roger K.W. Hui et al, APL90 Conf Proc, Quote Quad 20(4):192-200].
(1992-10-31)

current density
joule

jack
Japan (international vehicle ID)
Jewish (as in personal ads)

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