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Meaning of sodium citrate

so'dium ci'trate

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline or granular, water-soluble, odorless solid, NaCHO&multiplydot;2HO, 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.