/ Dictionary / Index R rheopexy: Meaning and Definition of Find definitions for: rhe•o•pex•y Pronunciation: (rē'u-pek"sē), [key] — n. Physical Chem. the property exhibited by certain slow-gelling, thixotropic sols of gelling more rapidly when the containing vessel is shaken gently. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rheometer rheoreceptor Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language