trigonelline

noun
trig·​o·​nel·​line | \ ˌtrig-ə-ˈnel-ˌēn How to pronounce trigonelline (audio) , -ən How to pronounce trigonelline (audio) \

Medical Definition of trigonelline

: a crystalline alkaloid C7H7NO2 obtained especially from the seeds of fenugreek and found in the urine (as after ingestion of nicotinic acid)

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