heparin

noun

medication which is used as an anticoagulant (blood thinner)

Wiktionary

Pronunciation: /ˈhɛp.ə.ɹɪn/

noun

Etymology: Etymology tree 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.

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.