WordReference Random House Unabridged Dictionary of American English © 2020
ac•e•to•ni•trile (as′i tō nī′tril, -trēl, ə sē′tō-),USA pronunciation n. [Chem.]
- Chemistrya colorless, poisonous, water-soluble liquid, C2H3N, having an etherlike odor: used chiefly in organic synthesis and as a solvent. Also called methyl cyanide.
- aceto- + nitrile 1865–70
'acetonitrile' also found in these entries: