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bufadienolide

[byoo-fuh-dahy-en-l-ahyd] /ˌbyu fə daɪˈɛn lˌaɪd/
noun, Biochemistry
1.
any of a family of steroid lactones, occurring in toad venom and squill, that possess cardiac-stimulating and antitumor activity.
Origin
1965-1970
1965-70; from bufa-20, 22-dienolide a chemical component of such lactones; compare Latin būfō toad
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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