noun🔗ShareA toxic colourless liquid organic compound, CH2=CH.CN, synthesized from propylene and ammonia; used as a monomer in the production of acrylic resins and synthetic rubber."The factory uses large amounts of acrylonitrile to manufacture acrylic fibers for clothing. "compoundsubstancechemistrymaterialindustrytechnicalChat with AIVocabulary GamePractice Reading