incompressibility

noun

The quality of being incompressible, of not compressing under pressure.

“Water has a high degree of incompressibility.”

Opposite
compressibility
OriginEnglish compressibility ← Middle English in- ← Latin in- →
RareScrabble 28
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Meanings

nounincompressibility (countable and uncountable, plural incompressibilities)

plural incompressibilities

  1. countableuncountableThe quality of being incompressible, of not compressing under pressure.

    Water has a high degree of incompressibility.

  2. countableuncountablenatural sciencesThe bulk modulus or modulus of incompressibility, measured in either electron volts or dynes per square centimeter.

    The value 120 MeV for the incompressibility is unrealistically small when compared with the value ~180-240 MeV!

    1997, Ignazio Bombaci, Physical Review C, volume 55, →DOI

Synonyms & antonyms

nounthe property of being incompressible

Opposite
compressibility
Broader
hardness

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Italic*n̥-
  4. Latinin-
  5. Middle Englishin-
  6. Englishin-
  7. Englishcompressibility
  8. Englishincompressibility

From in- + compressibility.

Full word history & related roots →
Cite this entry
APA

incompressibility. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/incompressibility

MLA

“incompressibility.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/incompressibility. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “incompressibility,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/incompressibility.

Source: incompressibility on Wiktionary, CC BY-SA 4.0.