alantolactone
noun
alan·to·lac·tone
ə-ˌlan-(ˌ)tō-ˈlak-ˌtōn
plural -s
: a white crystalline lactone C15H20O2 obtained from elecampane root
Word History
Etymology
International Scientific Vocabulary alant + -o- + lactone; probably originally formed as German alantolakton
First Known Use
1892, in the meaning defined above