n. Any terpene formed from three isoprene units, and having fifteen carbon atoms; includes several plant pigments such as the flavones.
The Century Dictionary and Cyclopedia
n. The class name applied, in organic chemistry, to hydrocarbons of the formula C15H24, possessing a closed-chain structure. The term is derived from the fact that the terpenes have the formula C10H16.
Word Usage
"Yet the more than 500 amino acids that make up the chemical factories in each-known as sesquiterpene synthases-are nearly identical to each other, with very minor differences accumulated over approximately several million years of evolutionary change."