n. any terpene formed from four isoprene units, and having twenty carbon atoms; includes vitamin A, the gibberellins, and various biologically active lactones such as quassin
The Century Dictionary and Cyclopedia
n. A terpene having the formula C20H32.
Word Usage
"ENGEL. D.W. and HOPPE, W. (1971) Structure of 7hydroxylathyrol, a further diterpene from Euphorbia lathyris L. Tetrahedron L.tters, (18), 1325 - 1328."