FACTOR II

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A protein in blood plasma that is the inactive precursor of thrombin

Synonyms:

factor II; prothrombin

Classified under:

Nouns denoting substances

Hypernyms ("factor II" is a kind of...):

clotting factor; coagulation factor (any of the factors in the blood whose actions are essential for blood coagulation)

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