phenanthrenequinone

[ fuh-nan-threen-kwuh-nohn, -kwin-ohn ]
/ fəˌnæn θrin kwəˈnoʊn, -ˈkwɪn oʊn /

noun Chemistry.

a yellowish-orange, crystalline, water-insoluble solid, C14H8O2, used chiefly in organic synthesis and the manufacture of dyes.

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Also phe·nan·thra·qui·none [fuh-nan-thruh-kwuh-nohn, -kwin-ohn]. /fəˌnæn θrə kwəˈnoʊn, -ˈkwɪn oʊn/.

Origin of phenanthrenequinone

First recorded in 1880–85; phenanthrene + quin(ine) + -one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021