noun Chemistry.

an ester or salt derived from methacrylic acid.

Origin of methacrylate

First recorded in 1860–65; meth- + acryl(ic) + -ate2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for methacrylate



any ester of methacrylic acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

methacrylate in Science



An ester of methacrylic acid, having the general formula C4H3O2R, where R is an organic radical. Methacrylates are used in the manufacture of plastics.
A resin derived from methacrylic acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.