Dictionary
ac•et•al•de•hyde
Pronunciation: (as"i-tal'du-hīd"), [key]—
n. Chem.
a volatile, colorless, water-soluble liquid, C
2H
4O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis. Also called
ethanal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.