a colourless volatile pungent liquid, miscible with water, used in the manufacture of organic compounds and as a solvent and reducing agent. Formula: CH3CHO
Systematic name: ethanal
WordReference Random House Unabridged Dictionary of American English © 2025
ac•et•al•de•hyde
(as′i tal′də hīd′),USA pronunciation n. [Chem.]
- Chemistrya volatile, colorless, water-soluble liquid, C2H4O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis. Also called ethanal.
- acet- + aldehyde 1875–80
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