a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
a transparent crystalline soluble substance used as a medical fungicide and to prevent the growth of moulds, esp to retard spoilage in packed foods. Formula: Na(C2H5COO)
noun 1. an energy-consuming mechanism in cell membranes that transports sodium ions across the membrane, in exchange for potassium ions or other substances. sodium pump n. A biologic mechanism that uses metabolic energy stored in ATP to achieve active transport of sodium ions across a membrane, such as the cell membrane or the multicellular membranes […]
noun, Chemistry. 1. borax1 .
noun, Chemistry. 1. a white, crystalline compound, C 7 H 5 NaO 3 , soluble in water, alcohol, and glycerol: used in medicine as an analgesic, antipyretic, and anti-inflammatory, and as a preservative.
noun, Chemistry. 1. a white, crystalline, water-soluble solid, Na 2 SO 4 , used chiefly in the manufacture of dyes, soaps, detergents, glass, and ceramic glazes. sodium sulfate n. A white crystalline compound used as a mild natural laxative and in larger doses as a hydragogue cathartic.