Dictionary
so'dium ci'trate
Chem.
a white, crystalline or granular, water-soluble, odorless solid, Na
3C
6H
5O
7·2H
2O, having a cool, saline taste: used in photography, in soft drinks, and in medicine chiefly to prevent the coagulation of blood.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.