noun
anticoagulant
Medical term for a substance that prevents blood clotting; used in contexts such as medication, blood collection tubes, or rodenticides.
この薬は抗凝固剤として血液をサラサラにします。
This medicine acts as an anticoagulant to thin the blood.
採血管には抗凝固剤
The blood collection tube contains an anticoagulant.