Pronunciation: ˌ ben-z ō -fi- ' n ō n, - ' f ē - ˌ n ō n
Function: noun
Etymology: International Scientific Vocabulary benz- + phen- + -one
Date: 1877
: a colorless crystalline ketone C 13 H 10 O used especially as a perfume fixative and in sunscreens also : a derivative of benzophenone