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methacrylate

American

[meth-ak-ruh-leyt] / mɛθˈæk rəˌleɪt /

noun

Chemistry.

an ester or salt derived from methacrylic acid.

methacrylate British

/ mɛθˈækrɪˌleɪt /

noun

any ester of methacrylic acid
See methacrylate resin

"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 Scientific

/ mĕth-ăk′rə-lāt′ /

An ester of methacrylic acid, having the general formula C ₄ H ₃ O ₂ R, where R is an organic radical. Methacrylates are used in the manufacture of plastics.
A resin derived from methacrylic acid.

Etymology

Origin of methacrylate

First recorded in 1860–65; meth- + acryl(ic) + -ate ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

methacrylate

In May, a pressurized tank of methyl methacrylate began to fail at the company’s facility in Garden Grove.

From Los Angeles Times ● Jul. 18, 2026

This may have led to a buildup of heat in a pressurized tank filled with 7,000 gallons of a chemical called methyl methacrylate, a highly flammable liquid monomer used to manufacture plastics.

From Los Angeles Times ● May 26, 2026

Methyl methacrylate is used to make resins and plastics.

From BBC ● May 25, 2026

The EPA says methyl methacrylate is irritating to the skin, eyes, and mucous membranes in humans.

From Barron's ● May 24, 2026

The crystal ball measures one inch in diameter and is actually made of genuine methacrylate which is crystal clear.

From A Practical Guide to Self-Hypnosis by Melvin Powers

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023