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WordNet 3.0Copyright Princeton University
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n. - A toxic crystalline substance that is usually obtained from the seeds of an African shrub

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Usage examples (8)
  • The active principle is a chemical called ouabain, and it is a powerful stimulant of the muscles of the heart.
  • Myers, Widespread occurrence in frogs and toads of skin compounds interacting with the ouabain site of Na+, K+, ATPase, Science 208 1980: 503-5; Kennedy, A.
  • Ph.D. thesis research on the effects of experimental congestive heart failure, asphyxia and ouabain on high energy phosphates and creatine content of the guinea pig heart.
  • Action of ouabain on submaxillary secretion in the dog
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