Definition of lupulin in English:

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Pronunciation: /ˈluːpjʊlɪn/


[mass noun]
A bitter yellowish powder found on glandular hairs beneath the scales of the flowers of the female hop plant.
Example sentences
  • It is very important that the hop doesn't lose lupulin otherwise the hop is no longer bitter.
  • Essential oils and lupulin resins are concentrated in the lupulin glands, found at the base of the leaves, close to the central stem.
  • They contain all the vegetative and lupulin material of raw leaf hops and can be used as a full replacement for leaf hops in the brewing process.


Early 19th century: from the modern Latin use as an epithet of Latin lupulus (as in Humulus lupulus), a plant mentioned by Pliny and perhaps denoting 'wild hops', + -in1.

For editors and proofreaders

Line breaks: lu¦pu|lin

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