Definition of acenaphthylene in English:

acenaphthylene

noun

Chemistry
  • A crystalline aromatic hydrocarbon found in coal tar and tobacco smoke.

Origin

Late 19th century; earliest use found in Chemical News. From ace- + naphtha + -yl + -ene, after German Acenaphtylen.

Pronunciation:

acenaphthylene

/ˌasɪˈnafθɪliːn//ˌasɪˈnapθɪliːn/