/ Dictionary / Index C crotonaldehyde: Meaning and Definition of Find definitions for: cro•ton•al•de•hyde Pronunciation: (krōt"n-al'du-hīd"), [key] — n. Chem. a whitish liquid with pungent and suffocating odor, CHO, soluble in water, used as a solvent, in tear gas, and in organic synthesis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. croton crotonbug Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language