Ouabain
//ˈwɑːbeɪn// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A poisonous cardiac glycoside, g-strophanthin, found in the seeds of certain lianas. countable, uncountable
"In moderate dosage ouabain is used today to treat emergency heart failure; in excessive doses it makes the heart go crazy, pumping wildly until it collapses."
Synonyms
All synonymsExample
More examples"In moderate dosage ouabain is used today to treat emergency heart failure; in excessive doses it makes the heart go crazy, pumping wildly until it collapses."
Etymology
From ouaba(io) + -in, after French ouabain, ultimately from Somali waabaayo, meaning "arrow poison".
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.