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rennet.

An enzyme used as the first step in making cheese, to curdle the milk and coagulate the casein in it, derived by soaking the fourth stomach of a milk-fed calf in brine.

6 characters2 syllables approx.English language

Meaning & usage

noun/ˈɹɛnɪt/
  1. An enzyme used as the first step in making cheese, to curdle the milk and coagulate the casein in it, derived by soaking the fourth stomach of a milk-fed calf in brine.

    countable · uncountable
Where this word comes from

From Middle English rennet, from Old English *rynnet, *ġerynnet, from Proto-West Germanic *garunniþu (“coagulation, curdling, rennet”), cognate with Old Saxon girunnida (“a running together, coagulation”), Old High German girunnida (“rennet, coagulation”), Middle High German gerinnede (“that which is curdled”). Compare also Middle English renelesse, renels, renlys, rendlys (“rennet”), Middle Dutch rinsel, runsel (“rennet”), German Rennsel; further to Middle English irennen (“to curdle; to run”), Old English ġerennan (“to coagulate”), Old High German girunst (“rennet”), German gerinnen (“to coagulate; congeal”).

noun/ˈɹɛnɪt/
  1. Alternative form of reinette.

    alt-of · alternative
Where this word comes from

Anglicized form of reinette.

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Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.