aspidospermine
noun
as·pi·do·sper·mine
| \ -ˈspər-ˌmēn, -mən
\
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Medical Definition of aspidospermine
: a bitter crystalline alkaloid C22H30N2O2 that is obtained from quebracho bark and was formerly used in the form of its sulfate as a respiratory stimulant and antispasmodic and as an antipyretic in typhoid fever