/ Dictionary / Index I interesterification: Meaning and Definition of Find definitions for: in•ter•es•ter•i•fi•ca•tion Pronunciation: (in"tur-u-ster"u-fi-kā'shun), [key] — n. Chem. transesterification. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interested interest group Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language