| NOUN | substance | calcium ion, factor IV | ion of calcium |
|---|
| Meaning | ion of calcium; a factor in the clotting of blood. | |
|---|---|---|
| Synonym | factor IV | |
| Broader | calcium, Ca, atomic number 20 | A white metallic element that burns with a brilliant light |
| coagulation factor, clotting factor | Any of the factors in the blood whose actions are essential for blood coagulation | |
| Spanish | factor iv, ion calcio, ion de calcio | |
| Catalan | factor iv | |
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