physostigmine

== English == === Etymology === From translingual Physostigma venenosum (“the Calabar bean”) +‎ -ine. === Pronunciation === (Received Pronunciation) IPA(key): /ˌfʌɪ.səʊˈstɪɡ.miːn/ (General American) IPA(key): /ˌfaɪ.səˈstɪɡˌmin/ === Noun === physostigmine (countable and uncountable, plural physostigmines) (biochemistry, pharmacology) A parasympathomimetic, a reversible cholinesterase inhibitor alkaloid of the Calabar bean, used to treat certain medical conditions. [from 19th c.] ==== Derived terms ==== -stigmine (“acetylcholinesterase inhibitor”) === References === “physostigmine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “physostigmine”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.