Definition of "mescaline"
mescaline
/ˈmɛs.kəl.ɪn/
noun
usually uncountable, plural mescalines
(biochemistry) A hallucinogenic and intoxicating compound present in the peyote cactus (Lophophora williamsii), the San Pedro cactus (Echinopsis pachanoi), and the Peruvian torch (Echinopsis peruviana).