Dictionary
ter•pene
Pronunciation: (tûr'pēn), [key]—
n. Chem.
1. (originally) any of a class of monocyclic hydrocarbons of the formula C
10H
16, obtained from plants.
2. this class or any of its oxygenated derivatives, any hydrocarbon from the same source having the formula C
5H
8 (hemiterpene), the formula C
10H
16 with an aliphatic structure
(acyclic terpene) or two-ringed structure
(bicyclic terpene), the formula C
15H
24 (sesquiterpene), etc., and any of their oxygenated derivatives.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.