verb \kəm-ˈpres\

: to press or squeeze (something) so that it is smaller or fills less space

: to make (something) shorter or smaller

computers : to reduce the size of (a computer file) by using special software

Full Definition of COMPRESS

transitive verb
:  to press or squeeze together
:  to reduce in size, quantity, or volume as if by squeezing <compress a computer file>
intransitive verb
:  to undergo compression

Examples of COMPRESS

  1. compress the air in a closed chamber
  2. Her lips compressed into a frown.
  3. a material that compresses easily
  4. This type of file compresses easily.

Origin of COMPRESS

Middle English, from Late Latin compressare to press hard, frequentative of Latin comprimere to compress, from com- + premere to press — more at press
First Known Use: 14th century


noun \ˈkäm-ˌpres\

: a folded cloth that is pressed against a part of the body to reduce pain or stop bleeding from an injury

Full Definition of COMPRESS

:  a folded cloth or pad applied so as to press upon a body part
:  a machine for compressing

Origin of COMPRESS

Middle French compresse, from compresser to compress, from Late Latin compressare
First Known Use: 1599


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