acetyltransferase

noun
ace·​tyl·​trans·​fer·​ase | \ -ˈtran(t)s-fər-ˌās, -ˌāz How to pronounce acetyltransferase (audio) \

Medical Definition of acetyltransferase

: any of several enzymes that catalyze the transfer of acetyl groups

called also transacetylase