trigonelline
noun
trig·o·nel·line
ˌtrig-ə-ˈnel-ˌēn 
-ən
-ən
: a crystalline alkaloid C7H7NO2 obtained especially from the seeds of fenugreek and found in the urine (as after ingestion of nicotinic acid)
Cite this Entry
“Trigonelline.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/trigonelline. Accessed 1 Dec. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share