a colorless, liquid monomer, HC:CHCN, boiling at 78°C, that is polymerized to form acrylic resins for acrylic fibers, synthetic rubber, and soil conditioners: a known carcinogen
See acrylonitrile in American Heritage Dictionary 4
(ăkˌrə-lō-nīˈtrəl, -trēl, -trīl)
noun
A colorless, liquid organic compound, H2C:CHCN, used in the manufacture of acrylic rubber and fibers.