anhalonium alkaloid


an·​ha·​lo·​ni·​um alkaloid
: 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

Word History


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

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of anhalonium alkaloid was in 1899

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Dictionary Entries Near anhalonium alkaloid


anhalonium alkaloid


Cite this Entry

“Anhalonium alkaloid.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2022.

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