diterpene
Concise Oxford English Dictionary © 2008 Oxford University Press:
diterpene /dʌɪˈtəːpiːn/
▶noun Chemistry any of a group of terpenes with unsaturated molecules based on a unit with the formula C20H32.
– derivatives
diterpenoid adjective & noun.
diterpenoid adjective & noun.
'diterpene' also found in these Oxford entries:

