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coumarone resin

American

noun

any of the group of thermosetting resins derived by the polymerization of mixtures of coumarone and indene: used chiefly in the manufacture of paints, varnishes, and printing inks.

Etymology

Origin of coumarone resin

First recorded in 1895–1900

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.