1

compact

play
adjective com·pact \kəm-ˈpakt, käm-ˈpakt, ˈkäm-ˌpakt\

Definition of compact

  1. 1 :  predominantly formed or filled :  composed, made Miss Austen's novels are compact of delicate trivialities … — Samuel Alexander

  2. 2a :  having a dense structure or parts or units closely packed or joined a compact woolen compact boneb :  not diffuse or verbose a compact statementc :  occupying a small volume by reason of efficient use of space a compact camera a compact formation of troopsd :  short-bodied, solid, and without excess flesh He had a small, compact body that looked full of life. — D. H. Lawrence

  3. 3 :  being a topological space and especially a metric space with the property that for any collection of open sets which contains it there is a subset of the collection with a finite number of elements which also contains it

compactly

play \kəm-ˈpak(t)-lē, käm-ˈpak(t)-, ˈkäm-ˌpak(t)-\ adverb

compactness

play \kəm-ˈpak(t)-nəs, käm-ˈpak(t)-, ˈkäm-ˌpak(t)-\ noun

Examples of compact in a sentence

  1. The drill has a compact design.

  2. the apartment's compact floor plan

  3. The cabin was compact but perfectly adequate.

  4. He is compact and muscular.

  5. He has a compact body.

Origin and Etymology of compact

Middle English, firmly put together, from Latin compactus, from past participle of compingere to put together, from com- + pangere to fasten — more at pact


First Known Use: 14th century


2

compact

verb com·pact

Definition of compact

  1. transitive verb
  2. 1 :  to make up by connecting or combining :  compose

  3. 2a :  to knit or draw together :  combineb :  to press together :  compress

  4. intransitive verb
  5. :  to become compacted

compactible

play \kəm-ˈpak-tə-bəl, käm-ˈpak-, ˈkäm-ˌpak-\ adjective

compactor

or less commonly

compacter

play \kəm-ˈpak-tər, käm-ˈpak-, ˈkäm-ˌpak-\ noun

Examples of compact in a sentence

  1. The snow had compacted into a hard icy layer.

  2. the media giant decided to compact all of its far-flung operations onto a single site

Origin and Etymology of compact

see 1compact


First Known Use: 15th century


3

compact

play
noun com·pact \ˈkäm-ˌpakt\

Definition of compact

  1. :  something that is compact or compacted:a :  a small cosmetic case (as for compressed powder)b :  an automobile smaller than an intermediate but larger than a subcompact

1601

First Known Use of compact

1601


4

compact

play
noun com·pact \ˈkäm-ˌpakt\

Definition of compact

  1. :  an agreement or covenant between two or more parties

Origin and Etymology of compact

Latin compactum, from neuter of compactus, past participle of compacisci to make an agreement, from com- + pacisci to contract — more at pact


First Known Use: 1591


COMPACT Defined for English Language Learners

1

compact

play
adjective com·pact \kəm-ˈpakt, käm-ˈpakt, ˈkäm-ˌpakt\

Definition of compact for English Language Learners

  • : smaller than other things of the same kind

  • : using little space and having parts that are close together

  • : closely or firmly packed or joined together


2

compact

verb com·pact

Definition of compact for English Language Learners

  • : to press (something) so that it is harder and fills less space


COMPACT Defined for Kids

1

compact

play
adjective com·pact \kəm-ˈpakt, ˈkäm-ˌpakt\

Definition of compact for Students

  1. 1 :  closely united or packed compact dirt

  2. 2 :  arranged so as to save space a compact house

compactly

adverb

compactness

noun

2

compact

play
verb com·pact

Definition of compact for Students

compacted

;

compacting

  1. 1 :  to draw together :  combine

  2. 2 :  to press together tightly The machine compacts the trash.


3

compact

play
noun com·pact \ˈkäm-ˌpakt\

Definition of compact for Students

  1. 1 :  a small case for cosmetics

  2. 2 :  a somewhat small automobile


4

compact

play
noun com·pact \ˈkäm-ˌpakt\

Definition of compact for Students

  1. :  agreement 3


Medical Dictionary

compact

play play
adjective com·pact \kəm-ˈpakt, käm-ˈ, ˈkäm-ˌ\

Medical Definition of compact

  1. :  having a dense structure without small cavities or cells compact bone—compare cancellous

Illustration of compact



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