methacrylic acid

[ meth-uh-kril-ik, meth- ]
/ ˈmɛθ əˈkrɪl ɪk, ˌmɛθ- /

noun Chemistry.

a colorless, liquid acid, C4H6O2, produced synthetically, whose methyl ester, methyl methacrylate, polymerizes to yield a clear plastic.
Compare Lucite, Plexiglas.

Origin of methacrylic acid

First recorded in 1860–65; meth- + acrylic

British Dictionary definitions for methacrylic acid

methacrylic acid
/ (ˌmɛθəˈkrɪlɪk) /

noun

a colourless crystalline water-soluble substance used in the manufacture of acrylic resins; 2-methylpropenoic acid. Formula: CH 2 :C(CH 3)COOH

Scientific definitions for methacrylic acid

methacrylic acid
[ mĕth′ə-krĭlĭk ]

A colorless liquid used in the manufacture of methacrylate esters, resins and plastics. Chemical formula: C4H6O2.