polymethyl methacrylate

[ pol-ee-meth-uhl ]
/ ˌpɒl iˈmɛθ əl /

noun Chemistry.

polymerized methyl methacrylate.

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Origin of polymethyl methacrylate

First recorded in 1930–35; poly- + methyl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020