polymethyl methacrylate

[ pol-ee-meth-uh l ]
/ ˌpɒl iˈmɛθ əl /

noun Chemistry.

polymerized methyl methacrylate.

Origin of polymethyl methacrylate

First recorded in 1930–35; poly- + methyl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019