FACTOR IV

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Ion of calcium; a factor in the clotting of blood

Synonyms:

calcium ion; factor IV

Classified under:

Nouns denoting substances

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

atomic number 20; Ca; calcium (a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals)

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

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