[as-i-toh-nahy-tril, -treel, uh-see-toh-]
noun Chemistry.
  1. a colorless, poisonous, water-soluble liquid, C2H3N, having an etherlike odor: used chiefly in organic synthesis and as a solvent.

Origin of acetonitrile

First recorded in 1865–70; aceto- + nitrile
Also called methyl cyanide. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for acetonitrile

Historical Examples of acetonitrile