Dictionary
so'dium ammo'nium phos'phate
Chem.
a colorless, odorless, crystalline, water-soluble solid, NaNH
4HPO
4·4H
2O, originally obtained from human urine: used as a blowpipe flux in testing metallic oxides. Also called
microcosmic salt, salt of phosphorus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.