ˌpikrəˈtäksə̇n noun
Etymology: International Scientific Vocabulary picr- + tox- + -in; originally formed as French picrotoxine
: a poisonous bitter crystalline principle C 30 H 34 O 13 found especially in cocculus indicus that is an equimolecular compound of picrotoxinin and picrotin and is a stimulant and convulsant drug administered intravenously as an antidote for poisoning by overdoses of barbiturates