physostigmine
/ˌfaɪsəʊˈstɪgmiːn/noun
mass noun
1- Chemistry a compound which is the active ingredient of the Calabar bean and is used medicinally in eye drops on account of its anticholinesterase activity【化】毒扁豆碱。
1.1
- A tricyclic alkaloid; chem. formula: C15H21N3O2.一种三环生物碱; 化学分子式： C15H21N3O2.
词源
mid 19th cent.: from the modern Latin genus name Physostigma (to which the Calabar bean belongs) + -INE4.