-ˈasəˌtōn noun
( -s )
Etymology: International Scientific Vocabulary acetyl + acetone
: a colorless liquid diketone of pleasant odor known in two forms [keto form CH 3 COCH 2 COCH 3 and enol form CH 3 COCHC(OH)CH 3 ] made in various ways (as by the reaction of sodium with acetone and ethyl acetate); 2,4-pentanedione