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phenanthrenequinone

[fuh-nan-threen-kwuh-nohn, -kwin-ohn] /fəˌnæn θrin kwəˈnoʊn, -ˈkwɪn oʊn/
noun, Chemistry
1.
a yellowish-orange, crystalline, water-insoluble solid, C 1 4 H 8 O 2 , used chiefly in organic synthesis and the manufacture of dyes.
Also, phenanthraquinone
[fuh-nan-thruh-kwuh-nohn, -kwin-ohn] /fəˌnæn θrə kwəˈnoʊn, -ˈkwɪn oʊn/ (Show IPA)
.
Origin
1880-1885
1880-85; phenanthrene + quin(ine) + -one
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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