compact

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[edit] English

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[edit] Pronunciation

  • (RP)
    • (nouns): IPA: /ˈkɒmpækt/, SAMPA: /"kQmp{kt/
    • (adjective): as the noun or verb
    • (verb): IPA: /kəmˈpækt/, SAMPA: /k@m"p{kt/
  • (Canada) IPA: /ˈkʌmpækt/, SAMPA: /"kVmp{kt/ or IPA: /kəmˈpækt/, SAMPA: /k@m"p{kt/
  • Rhymes: -ækt

[edit] Etymology 1

From Latin compactum (agreement).

[edit] Noun

compact (plural compacts)

  1. An agreement or contract.
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[edit] Etymology 2

From Middle English, from Latin compāctus, perfect passive participle of compingō (join together), from com- (together) + pangō (fasten), from Proto-Indo-European *pag- (to fasten).

[edit] Adjective

compact (comparative more compact, superlative most compact)

  1. Closely packed, i.e. packing much in a small space.
  2. Having all necessary features fitting neatly into a small space.
  3. (mathematics) (of a set in an Euclidean space) Closed and bounded.
    A set S of real numbers is called compact if every sequence in S has a subsequence that converges to an element again contained in S.
  4. (topology) Such that every exhaustion of it by (overlapping) open balls has the property that some finitely many of those balls will also cover it.
  5. (topology) (of a set) Such that every open cover of the given set has a finite subcover.
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[edit] Derived terms
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[edit] Noun

Vintage black enamel compact, c. 1960s

compact (plural compacts)

  1. A small, slim folding case, often featuring a mirror, powder and a powderpuff; that fits into a woman's purse or handbag, or that slips into ones pocket.
  2. A broadsheet newspaper published in the size of a tabloid but keeping its non-sensational style.
    • 2012, BBC News: Dundee Courier makes move to compact [1]:
      The Dundee Courier has announced the newspaper will be relaunching as a compact later this week. Editor Richard Neville said a "brighter, bolder" paper would appear from Saturday, shrunk from broadsheet to tabloid size.
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[edit] See also

[edit] Verb

compact (third-person singular simple present compacts, present participle compacting, simple past and past participle compacted)

  1. (transitive) To make more dense; to compress.
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[edit] Dutch

[edit] Adjective

compact (comparative compacter, superlative compactst)

  1. compact (closely packed), dense
  2. compact (having all necessary features fitting neatly into a small space)

[edit] Declension



[edit] French

[edit] Adjective

compact m. (f. compacte, m. plural compacts, f. plural compactes)

  1. compact (closely packed), dense
  2. compact (having all necessary features fitting neatly into a small space)

[edit] Noun

compact m. (plural compacts)

  1. compact disc
  2. music center (US), music centre (UK)
  3. compact camera

[edit] Synonyms

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