/ Dictionary / Index E ethoxy: Meaning and Definition of Find definitions for: eth•ox•y Pronunciation: (e-thok'sē), [key] — n. Chem. the radical CHO−. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ethoxide ethrog Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language