Meaning of phenanthrenequinone

phe•nan•threne•qui•none

Pronunciation: (fu-nan"thrēn-kwu-nōn', -kwin'ōn), [key]
— n. Chem.
  1. a yellowish-orange, crystalline, water-insoluble solid, CHO, used chiefly in organic synthesis and the manufacture of dyes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.