/an'threuh kweuh nohn", -kwee"nohn, -kwin"ohn/ , n. Chem.
a yellow, water-insoluble, crystalline powder, C 14 H 8 O 2 , usually derived from anthracene or phthalic anhydride: used chiefly in the manufacture of anthraquinone dyes.
[ 1880-85; ANTHRA(CENE) + QUINONE ]