acenaphthene Chem.
(ˌæsiːˈnæfθiːn)
[f. acetic + naphthene.]
A compound substance of the Naphthalene group, C12H10, = C10H6{btr1}{bbr1}{btc1}CH2CH2 , or naphthalene with two atoms of H replaced by divalent ethene (C2H4){pp}.
| 1877 Watts Fownes' Chem. II. 581 Acenaphthene..crystallises from fusion in flat prisms, from alcohol in long needles. |