pic·​ro·​tox·​in ˌpi-krō-ˈtäk-sən How to pronounce picrotoxin (audio)
: a poisonous bitter crystalline stimulant and convulsive substance C30H34O13 obtained from the berry of a southeast Asian vine (Anamirta cocculus) and used intravenously as an antidote for barbiturate poisoning

Word History


International Scientific Vocabulary

First Known Use

1815, in the meaning defined above

Time Traveler
The first known use of picrotoxin was in 1815

Dictionary Entries Near picrotoxin

Cite this Entry

“Picrotoxin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/picrotoxin. Accessed 12 Jul. 2024.

Medical Definition


pic·​ro·​tox·​in ˌpik-rō-ˈtäk-sən How to pronounce picrotoxin (audio)
: a poisonous bitter crystalline principle C30H34O13 found especially in cocculus that is a compound of picrotoxinin and picrotin and is a stimulant and convulsant drug administered intravenously as an antidote for poisoning by overdoses of barbiturates

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