compression
/kəmˈpɹɛʃ.ən/
Proposed by a contributor, not yet supported by evidence.
Also seen as: compressions
Sense 1
Meaning · English
An increase in density; the act of compressing, or the state of being compressed; compaction.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
The cycle of an internal combustion engine during which the fuel and air mixture is compressed.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “compression” mean?
An increase in density; the act of compressing, or the state of being compressed; compaction.
Is “compression” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.