Dictionary
meth'a•cryl'ic ac'id
Pronunciation: (meth'u-kril'ik, meth"-), [key] Chem.
a colorless, liquid acid, C
4H
6O
2, produced synthetically, whose methyl ester, methyl methacrylate, polymerizes to yield a clear plastic. Cf.
Lucite, Plexiglas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.