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bufadienolide

[byoo-fuh-dahy-en-l-ahyd]
noun Biochemistry.
  1. any of a family of steroid lactones, occurring in toad venom and squill, that possess cardiac-stimulating and antitumor activity.
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Origin of bufadienolide

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 Unabridged Dictionary, © Random House, Inc. 2018