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compact1

[adj. kuh m-pakt, kom-, kom-pakt; v. kuh m-pakt; n. kom-pakt] /adj. kəmˈpækt, kɒm-, ˈkɒm pækt; v. kəmˈpækt; n. ˈkɒm pækt/
adjective
1.
joined or packed together; closely and firmly united; dense; solid:
compact soil.
2.
arranged within a relatively small space:
a compact shopping center; a compact kitchen.
3.
designed to be small in size and economical in operation.
4.
solidly or firmly built:
the compact body of a lightweight wrestler.
5.
expressed concisely; pithy; terse; not diffuse:
a compact review of the week's news.
6.
composed or made (usually followed by of):
a book compact of form and content.
7.
Also, bicompact. Mathematics. (of a set) having the property that in any collection of open sets whose union contains the given set there exists a finite number of open sets whose union contains the given set; having the property that every open cover has a finite subcover.
verb (used with object)
8.
to join or pack closely together; consolidate; condense.
9.
to make firm or stable.
10.
to form or make by close union or conjunction; make up or compose.
11.
Metallurgy. to compress (metallic or metallic and nonmetallic powders) in a die to be sintered.
12.
to crush into compact form for convenient disposal or for storage until disposal:
to compact rubbish.
noun
13.
a small case containing a mirror, face powder, a puff, and sometimes rouge.
14.
Also called compact car. an automobile that is smaller than an intermediate but larger than a subcompact and generally has a combined passenger and luggage volume of 100–110 cu. ft. (2.8–3.1 m 3).
15.
Metallurgy. (in powder metallurgy) an object to be sintered formed of metallic or of metallic and nonmetallic powders compressed in a die.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin compāctus (past participle of compingere to shut away, bind together), equivalent to com- com- + pag-, variant stem of pangere to fix, arrange (akin to pāx peace; cf. pact, compact2) + -tus past participle suffix
Related forms
compactedly, adverb
compactedness, noun
compactly, adverb
compactness, noun
uncompacted, adjective
well-compacted, adjective
Synonyms
2. small, snug. 5. concise, succinct, brief. 8. compress. 9. stabilize, solidify.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for compacted
  • When light pierces the compacted ice, red wavelengths are absorbed, leaving a ghostly blue glow.
  • The street is unpaved, muddy and lined with compacted rubbish.
  • Hydrogen is a gas, which means that it has to be compacted somehow if a usable amount is to be carried.
  • The compacted wall is now bottom heavy, further reducing the chances of collapse.
  • Over time, the snow compacted to form glaciers which then sculpted the crater floors.
  • SA can do better than this, even in a compacted format.
  • It was a town that was compacted together upon the sides and tops of a cluster of small hills.
  • Annual avalanches are composed of heavy compacted snow which has been subjected to frequent alternations of frost and thaw.
  • Once full, the pits were covered with dirt and the ground compacted using heavy machinery.
  • They're visible because the matter falling in gets hotter and brighter as it's compacted.
British Dictionary definitions for compacted

compact1

adjective (kəmˈpækt; ˈkɒmpækt)
1.
closely packed together; dense
2.
neatly fitted into a restricted space
3.
concise; brief
4.
well constructed; solid; firm
5.
(foll by of) composed or made up (of)
6.
denoting a tabloid-sized version of a newspaper that has traditionally been published in broadsheet form
7.
(logic) (of a relation) having the property that for any pair of elements such that a is related to b, there is some element c such that a is related to c and c to b, as less than on the rational numbers
8.
(US & Canadian) (of a car) small and economical
verb (transitive) (kəmˈpækt)
9.
to pack or join closely together; compress; condense
10.
(foll by of) to create or form by pressing together: sediment compacted of three types of clay
11.
(metallurgy) to compress (a metal powder) to form a stable product suitable for sintering
noun (ˈkɒmpækt)
12.
a small flat case containing a mirror, face powder, etc, designed to be carried in a woman's handbag
13.
(US & Canadian) a comparatively small and economical car
14.
(metallurgy) a mass of metal prepared for sintering by cold-pressing a metal powder
15.
a tabloid-sized version of a newspaper that has traditionally been publis hed in broadsheet form
Derived Forms
compacter, noun
compaction, noun
compactly, adverb
compactness, noun
Word Origin
C16: from Latin compactus, from compingere to put together, from com- together + pangere to fasten

compact2

/ˈkɒmpækt/
noun
1.
an official contract or agreement
Word Origin
C16: from Latin compactum, from compaciscī to agree, from com- together + paciscī to contract; see pact
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for compacted

compact

adj.

late 14c., from Middle French compact (14c.) or directly from Latin compactus "concentrated," past participle of compingere "to fasten together, construct," from com- "with, together" (see com-) + pangere "to fix, fasten" (see pact). Compact car is 1960. Compact disc is from 1979.

n.

"agreement," 1590s, from Latin compactum "agreement," noun use of neuter past participle of compacisci "come to agreement," from com- "together" (see com-) + pacisci "to covenant, contract" (see pact).

"make-up case," 1921, from compact (adj.), based on its containing compacted face powder.

v.

early 15c., from Latin compactus, past participle of compingere "to fasten together" (see compact (adj.)). Related: Compacted; compacting.

Online Etymology Dictionary, © 2010 Douglas Harper
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