lupulin
noun
lu·pu·lin
ˈlü-pyə-lən 
: a fine yellow resinous substance of the female catkin of the hop (Humulus lupulus of the mulberry family) from which humulon and lupulon are obtained
Cite this Entry
“Lupulin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lupulin. Accessed 4 Nov. 2025.
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