acid citrate dextrose

noun

: a solution containing citric acid, sodium citrate, and dextrose in water that is used as an anticoagulant to preserve whole blood

A solution called acid citrate dextrose is added to the blood to stop clotting during this process: citrate, in particular, has the effect of lowering blood calcium levels to a point where the blood cannot clot in the machine.

—New Scientist

—abbreviation ACD