noun. A poisonous white crystalline alkaloid, C₂₃H₂₆N₂O₄, derived from the seeds of nux vomica and closely related plants and used to denature alcohol.

noun. A vegetable alkaloid (C₂H₂₆N₂O₄), discovered in what was thought to be the bark of the Brucea antidysenterica, but which was that of Strychnos Nux-vomica.

noun. A powerful vegetable alkaloid, found, associated with strychnine, in the seeds of different species of Strychnos, especially in the nux vomica. It is less powerful than strychnine. Called also brucia and brucina.

noun. An alkaloid, related to strychnine, found in nux vomica.

noun. a bitter alkaloid poison resembling strychnine and extracted from nux vomica

"It gives a red colour with brucine, turns the green sulphate of iron black, and with hydrochloric acid dissolves gold."

alkaloid  phytotoxin  plant toxin  

brucia  brucina  nux vomica