Standard Lemma guide

trypsin

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈtɹɪp.sɪn/
  • rhymes with -ɪpsɪn

1

noun

Meaning 1

A digestive enzyme that cleaves peptide bonds (a serine protease)

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: enzyme

Narrower terms: trypsinogen

History

Etymology

From Ancient Greek τρῖψις (trîpsis, “rubbing”) + -in, since the substance was first found on rubbing down the pancreas with glycerine.

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 胰蛋白酶 (yídànbáiméi) — digestive enzyme
  • Esperanto: tripsino — digestive enzyme
  • Greek: θρυψίνη (thrypsíni) — digestive enzyme
  • Malay: tripsin — digestive enzyme
  • Spanish: tripsina — digestive enzyme
  • Swedish: trypsin — digestive enzyme