Definition of acetylic in English:

acetylic

adjective

Chemistry
rare
  • Containing one or more acetyl groups (—C(O)CH3); derived from acetic acid.

Origin

Mid 19th century; earliest use found in George Fownes (1815–1849), chemist. From acetyl + -ic.

Pronunciation:

acetylic

/asɪˈtɪlɪk/