ˌ ̷ ̷(ˌ) ̷ ̷fəˈnōn, -ˈfēˌnōn noun
( -s )
Etymology: International Scientific Vocabulary benz- + -phenone
: a colorless crystalline ketone C 6 H 5 COC 6 H 5 with a roselike odor made by the pyrolysis of calcium benzoate or from benzene and carbon tetrachloride by the Friedel-Crafts reaction and used chiefly in perfumery — called also diphenyl ketone