n. [ Anthracene + quinone. ] (Chem.) A hydrocarbon,
n. [ Hydro-, 2 + quinone. ] (Chem.) A white crystalline substance,
n. [ Naphthalene + quinone. ] (Chem.) A yellow crystalline substance,
n. [ Quinine + ketone. ] (Chem.) A crystalline substance,
n. [ Xylene + quinone. ] (Chem.) Any one of a group of quinone compounds obtained respectively by the oxidation of certain xylidine compounds. In general they are yellow crystalline substances. [ 1913 Webster ]