anhalonium alkaloid

noun an·ha·lo·ni·um alkaloid \ˌan(h)əˈlōnēəm-\

Definition of anhalonium alkaloid

  1. :  any of a group of alkaloids (as hordenine, mescaline) that are found in peyote buttons and that are used as cerebral stimulants and motor depressants —called also cactus alkaloid

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Origin and Etymology of anhalonium alkaloid

New Latin Anhalonium, genus of cacti, from Greek an- + halōnion small threshing floor (equated with New Latin areola areole, from Latin, small open space, diminutive of area piece of level ground, threshing floor), diminutive of halōn threshing floor; from the belief that the areoles were lacking — more at halo


First Known Use: 1899


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