Pronunciation: nuks vom'i-ka
Definition: Poison nut or Quaker button, the seed of Strychnos nux-vomica (family Logeniaceae), a tree of tropical Asia; it contains two alkaloids, strychnine and brucine; it has been used as a bitter tonic and central nervous system stimulant.
[Mod. L. emetic nut, fr. L. nux, nut, + vomo, to vomit]
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Examples: glitazone, GI cocktail, etc.