/ Dictionary / Index C compressibility: Meaning and Definition of Find definitions for: com•press•i•bil•i•ty Pronunciation: (kum-pres"u-bil'i-tē), [key] — pl. -ties the quality or state of being compressible. the reciprocal of the bulk modulus, equal to the ratio of the fractional change in volume to the stress applied to a body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: compressibility (Thesaurus) compressed speech compression Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language