Standard Lemma guide

compression

noun · 9 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Canada, General-American, Received-Pronunciation: /kəmˈpɹɛʃ.ən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • Australian, New-Zealand: /kəmˈpɹeʃ.ən/
  • rhymes with -ɛʃən
  • CMU ARPABET: K AH0 M P R EH1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An increase in density; the act of compressing, or the state of being compressed; compaction.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The cycle of an internal combustion engine during which the fuel and air mixture is compressed.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: automotive, transport, vehicles

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The process by which data is compressed.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The electronic process by which any sound's gain is automatically controlled.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The deviation of a heavenly body from a spherical form.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

applying pressure

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: compressing

Antonyms: decompression

Broader terms: press, pressure, pressing

Narrower terms: squeeze, squeezing, condensing, condensation, crush, crunch, compaction, constriction

7

noun

Meaning 7

encoding information while reducing the bandwidth or bits required

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: decompression

Broader terms: encoding, encryption

Narrower terms: image compression, MPEG

8

noun

Meaning 8

the process or result of becoming smaller or pressed together

Definition source: Princeton WordNet 3.0

Examples

  • the contraction of a gas on cooling

Meaning relationships

Synonyms: condensation, contraction

Antonyms: none provided

Broader terms: shrinking, shrinkage

Narrower terms: constriction, coarctation

9

noun

Meaning 9

an increase in the density of something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: compaction, concretion, densification

Antonyms: none provided

Broader terms: concentration

History

Etymology

Borrowed from Middle French compression, from Latin compressiō, equivalent to compress + -ion.

Across languages

Translations

65 source translations are retained for this English entry.

  • Bulgarian: свиване (svivane) — the act of compressing
  • Bulgarian: сгъстяване (sgǎstjavane) — the act of compressing
  • Catalan: compressió — the act of compressing
  • Czech: stlačení — the act of compressing
  • Czech: komprese — the act of compressing
  • Danish: kompression — the act of compressing
  • Danish: komprimering — the act of compressing
  • Danish: sammenpresning — the act of compressing
  • Dutch: compressie — the act of compressing
  • Dutch: comprimering — the act of compressing
  • Finnish: puristaminen — the act of compressing
  • French: compression — the act of compressing
  • Georgian: კუმშვა (ḳumšva) — the act of compressing
  • Georgian: შეკუმშვა (šeḳumšva) — the act of compressing
  • German: Kompression — the act of compressing
  • German: Komprimierung — the act of compressing
  • Greek: συμπίεση (sympíesi) — the act of compressing
  • Indonesian: kompresi — the act of compressing
  • Italian: compressione — the act of compressing
  • Māori: kо̄peketanga — the act of compressing
  • Polish: kompresja — the act of compressing
  • Portuguese: compressão — the act of compressing
  • Portuguese: compactação — the act of compressing
  • Russian: сжа́тие (sžátije) — the act of compressing
  • Swedish: komprimering — the act of compressing
  • Tagalog: tipil — the act of compressing
  • Tagalog: pagpipiga — the act of compressing
  • Tagalog: pag-compress — the act of compressing
  • Turkish: sıkıştırma — the act of compressing
  • Turkish: deriştirme — the act of compressing
  • Ukrainian: сти́снення (stýsnennja) — the act of compressing
  • Ukrainian: стиск (stysk) — the act of compressing
  • Bulgarian: компресия (kompresija) — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Catalan: compressió — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Danish: kompression — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Dutch: compressie — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Finnish: puristus — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • French: compression — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • German: Kompression — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Italian: compressione — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Polish: sprężenie — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Polish: kompresja — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Portuguese: compressão — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Russian: сжа́тие (sžátije) — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Tagalog: tipil — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Turkish: kompresyon — the cycle of an internal combustion engine during which the fuel and air mixture is compressed
  • Bulgarian: компресиране (kompresirane) — (computing) the process by which data is compressed
  • Dutch: comprimering — (computing) the process by which data is compressed
  • French: compression — (computing) the process by which data is compressed
  • Georgian: შეკუმშვა (šeḳumšva) — (computing) the process by which data is compressed
  • German: Komprimierung — (computing) the process by which data is compressed
  • Greek: συμπίεση (sympíesi) — (computing) the process by which data is compressed
  • Icelandic: þjöppun — (computing) the process by which data is compressed
  • Italian: compressione — (computing) the process by which data is compressed
  • Polish: kompresja — (computing) the process by which data is compressed
  • Portuguese: compressão — (computing) the process by which data is compressed
  • Portuguese: compactação — (computing) the process by which data is compressed
  • Russian: сжа́тие (sžátije) — (computing) the process by which data is compressed
  • Swedish: komprimering — (computing) the process by which data is compressed
  • Swedish: kompression — (computing) the process by which data is compressed
  • Turkish: sıkıştırma — (computing) the process by which data is compressed
  • Ukrainian: сти́снення (stýsnennja) — (computing) the process by which data is compressed
  • Bulgarian: компреси́ране (kompresírane) — (music) the electronic process by which any sound's gain is automatically controlled
  • Dutch: compressie — (music) the electronic process by which any sound's gain is automatically controlled
  • Portuguese: compressão — (music) the electronic process by which any sound's gain is automatically controlled
Real reading context

compression in complete knowledge articles