The Collaborative International Dictionary
Phlorone \Phlo"rone\, n. [Phlorol + quinone.] (Chem.) A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; -- called also xyloquinone.
n. (context organic compound English) Any of a group of quinone compounds obtained by the oxidation of xylidines.