Standard Lemma guide

compaction

noun · 3 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.

  • Australian, Canada, General-American, Received-Pronunciation: /kəmˈpækʃən/
  • New-Zealand: /kəmˈpɛkʃən/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The process of compacting something, or something that has been compacted.

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 act of crushing

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: crush, crunch

Antonyms: none provided

Broader terms: compression, compressing

Narrower terms: grind, mill, pulverization, pulverisation

3

noun

Meaning 3

an increase in the density of something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: compression, concretion, densification

Antonyms: none provided

Broader terms: concentration

History

Etymology

From Old French compaction, from Latin compactionem, from compingere.

Across languages

Translations

6 source translations are retained for this English entry.

  • Catalan: compactació — process of compacting
  • Chinese Mandarin: 壓實 /压实 (yāshí) — process of compacting
  • Japanese: 圧密 (atsumitsu) — process of compacting
  • Norwegian Bokmål: kompaktering — process of compacting
  • Norwegian Nynorsk: kompaktering — process of compacting
  • Spanish: compactación — process of compacting
Real reading context

compaction in complete knowledge articles