compact

noun, verb, adj — 15 senses

compact

noun

UK /ˈkɒmˌpækt/ · US /ˈkɑmˌpækt/

Etymology Borrowed from Latin compactum (“agreement”).

1

An agreement or contract.

  • President Biden laid out an ambitious agenda on Wednesday night to rewrite the American social compact by vastly expanding family leave, child care, health care, preschool and college education for millions of people to be financed with increased taxes on the wealthiest earners.2021 April 29, Peter Baker, “Biden Seeks Shift in How the Nation Serves Its People”, in The New York Times, →ISSN:
  • After taking over this month as president of the U.S. Conference of Mayors, a nonpartisan coalition of city mayors, he urged members to sign a “crypto compact” calling on the federal government to eschew overly aggressive regulation of the industry.2022 January 25, David Yaffe-Bellany, “The Rise of the Crypto Mayors”, in The New York Times, →ISSN:
1 more example
  • Countering this in international media by offering more balanced views for a global audience is near impossible as censorship is rife. There almost seems to be a global compact to control the narrative, a propaganda war powered by today’s digital technology.2023 February 21, Chandran Nair, “Anti-China Rhetoric Is Off the Charts in Western Media”, in The Diplomat:
Derived terms
interstate compact, social compact

compact

verb

UK, US /kəmˈpækt/

Etymology Borrowed from Latin compactum (“agreement”).

1

To form an agreement or contract.

  • In return for the sovereign's protection, they compacted to police the content of public literature.2004, Ronan Deazley, On the Origin of the Right to Copy, page 94:

compact

adj

UK /kəmˈpækt/ · US /kəmˈpækt/

Etymology Borrowed from Latin compactum (“agreement”).

1

Archaic Agreed, contracted.

  • O Gorice XI., most glorious King of Witchland, and O Lord Goldry Bluszco, captain of the hosts of Demonland, it is compact betwixt you, and made fast by mighty oaths whereof I, the Red Foliot, am keeper, that ye shall wrastle three falls together on these conditions, […]1922, E[ric] R[ücker] Eddison, The Worm Ouroboros: A Romance, London: Jonathan Cape […], →OCLC, page 20:
Synonyms
close, compact, crowded, dense, solid, thick, tight
Antonyms
loose, diffuse, noncompact, uncompact, spaced out, spread out
Hyponyms
concentrated, serried, tight-fitting, packed, rammed

compact

adj

Etymology From Middle French compact, from Latin compāctus, perfect passive participle of compingō (“join together”), from com- (“together”) + pangō (“fasten”), from Proto-Indo-European *peh₂ǵ- (“to attach, fix, fasten”).

7 senses
  1. 1Closely packed or densely constituted; having much…
  2. 2Having all necessary features fitting neatly into a small space.
  3. 3Brief and pithy; not verbose.
  4. 4Such that every open cover has a finite subcover. In a…
  5. 5Compact in the above sense and moreover Hausdorff.
  6. 6Joined or held together; leagued; confederated.
  7. 7Composed or made; with of.
1

Closely packed or densely constituted; having much material in a small volume.

  • glass, crystal, gems, and other compact bodies1704, I[saac] N[ewton], “(please specify |book=1 to 3)”, in Opticks: Or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light. […], London: […] Sam[uel] Smith, and Benj[amin] Walford, printers to the Royal Society, […], →OCLC:
2

Having all necessary features fitting neatly into a small space.

  • a compact laptop computer
3

Of prose Brief and pithy; not verbose.

  • a compact discourse

› Of a topological space:

4

Mathematics, Sciences, Topology Such that every open cover has a finite subcover. In a metric space, this is equivalent to being sequentially compact. In metric spaces with the Heine-Borel property, this is equivalent to being closed and bounded.

5

Mathematics, Sciences, Topology Compact in the above sense and moreover Hausdorff.

6

Obsolete Joined or held together; leagued; confederated.

  • Thou fooliſh Frier, and thou pernicious woman / Compact with her that's gone:c. 1603–1604 (date written), William Shakespeare, “Measure for Measure”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene i], page 81:
  • a pipe of seven reeds, compact with wax together1622, Henry Peacham (Junior), The Compleat Gentleman:
7

Obsolete Composed or made; with of.

  • A wandering fire, / Compact of unctuous vapor.1667, John Milton, “Book VIII”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:
Derived terms
35 termscocompact, compact audio cassette, compact camera, compact cassette, compact disc, compact disk, compact executive car, compact fluorescent lamp, compactification, compactify, compactin, compactization, compactly, compact neighbourhood, compactness, compacton, compact space, compact star, decompact, Hickson compact group, hypercompact, incompact, locally compact, locally compact group, massive compact halo object, metacompact, noncompact, paracompact, precompact, pseudocompact, quasi-compact, semicompact, supercompact, uncompact, σ-compact

compact

noun

Etymology From Middle French compact, from Latin compāctus, perfect passive participle of compingō (“join together”), from com- (“together”) + pangō (“fasten”), from Proto-Indo-European *peh₂ǵ- (“to attach, fix, fasten”).

1

A slim folding case, often featuring a mirror, powder and a powder puff, small enough to fit in a woman's purse, handbag, or pocket.

2

An automobile that is larger than a subcompact but smaller than an intermediate.

3

A broadsheet newspaper published in the size of a tabloid but keeping its non-sensational style.

  • 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.2012, BBC News, Dundee Courier makes move to compact:
Derived terms
minicompact

compact

verb

Etymology From Middle French compact, from Latin compāctus, perfect passive participle of compingō (“join together”), from com- (“together”) + pangō (“fasten”), from Proto-Indo-European *peh₂ǵ- (“to attach, fix, fasten”).

1

To make more dense; to compress.

  • You need to excavate and remove the topsoil, line the subsoil with a geotextile, then lay and compact hardcore.2014 August 24, Jeff Howell, “Home improvements: gravel paths and cutting heating bills [print version: Cold comfort in technology, 23 August 2014, p. P5]”, in The Daily Telegraph (Property):
2

To unite or connect firmly, as in a system.

  • The whole body fitly joined together and compacted by that which every joint supplieth.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Ephesians 4:16:
Synonyms
compress, condense
Derived terms
compactable, compactible, precompact, recompact, uncompact

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.

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