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calcium ion

DEFINITIONS OF: calcium ion

1

n ion of calcium; a factor in the clotting of blood

Synonyms:
factor IV
Type of:
Ca, atomic number 20, 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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