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heparin.

A compound occurring in the liver and other tissues which inhibits blood coagulation. A sulfur-containing polysaccharide, it is used as an anticoagulant in the treatment of thrombosis.

7 characters3 syllables approx.English language

Meaning & usage

noun/ˈhɛp.ə.ɹɪn/
  1. A compound occurring in the liver and other tissues which inhibits blood coagulation. A sulfur-containing polysaccharide, it is used as an anticoagulant in the treatment of thrombosis.

    countable · uncountable
Where this word comes from

Etymology tree Proto-Indo-European *(H)yekʷ- Proto-Indo-European *-r̥ Proto-Indo-European *yókʷr̥ Proto-Hellenic *yêkʷər Ancient Greek ἧπαρ (hêpar)bor. Latin hepar Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in English heparin From Latin hepar (“liver”) + English -in.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

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