sə̇ˈträptən noun
also ci·trop·tene -ˌtēn
( -s )
Etymology: International Scientific Vocabulary citr- + stear opten, stear optene
: a colorless crystalline compound C 11 H 10 O 4 found in some essential oils (as lime and lemon oils); 5,7-dimethoxy-coumarin — called also limettin