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coumarone

[koo-muh-rohn] /ˈku məˌroʊn/
noun, Chemistry
1.
a colorless liquid, C 8 H 6 O 7 , derived from a naphtha distilled from coal tar: used chiefly in the synthesis of coumarone resins.
Also, cumarone.
Also called benzofuran.
Origin
1880-1885
1880-85; < German Cumaron; see coumarin, -one
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for coumarone

coumarone

/ˈkuːməˌrəʊn/
noun
1.
another name for benzofuran
Word Origin
C19: from coumar(in) + -one
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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