incompressible

From French incompressible, from in- +‎ compressible.

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incompressible (not comparable)

1. Not compressible.
   • 1951 March, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 188:

     As water [trapped in the cylinders] is incompressible, a momentary leap in [steam] pressure is liable to occur in starting; […] .

2. (calculus, of a vector field) Having a divergence equal to zero.

• incompressable, uncompressable, uncompressible

• incompressibleness

From in- +‎ compressible.

• IPA^(key): /ɛ̃.kɔ̃.pʁɛ.sibl/ ~ /ɛ̃.kɔ̃.pʁe.sibl/

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• Audio (France (Lyon)):

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incompressible (plural incompressibles)

1. incompressible
2. (law) mandatory, minimum

   peine incompressible ― period of parole ineligibility

• période de sûreté

• “incompressible”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012