from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline or granular compound, Na3C6H5O7·2H2O, used in photography and in medicine especially as an anticoagulant of blood stored for transfusion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The salt of sodium and citric acid with the chemical formula Na3C6H5O7 and used primarily as a food additive.
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