[ uh-see-toh-fuh-nohn, as-i-toh- ]
/ əˌsi toʊ fəˈnoʊn, ˌæs ɪ toʊ- /

noun Chemistry.

a colorless liquid, C8H8O, having a sweet odor: used chiefly as a scent in the manufacture of perfume.

Origin of acetophenone

First recorded in 1870–75; aceto- + phen- + -one
Also called acetylbenzene, hypnone, phenyl methyl ketone. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019