a yellowish-white, hygroscopic, water-soluble powder, Na 2 O 2 , used chiefly as a bleaching agent and as an oxidizing agent.
a yellowish-white odourless soluble powder formed when sodium reacts with an excess of oxygen: used as an oxidizing agent in chemical preparations, a bleaching agent, an antiseptic, and in removing carbon dioxide from air in submarines, etc. Formula: Na2O2
sodium peroxide n.
A yellowish-white powder used as a germicide, an antiseptic, and a disinfectant.
noun, Chemistry. 1. Also called monobasic sodium phosphate. a white, crystalline, slightly hygroscopic, water-soluble powder, NaH 2 PO 4 , used chiefly in dyeing and in electroplating. 2. Also called dibasic sodium phosphate, disodium phosphate. a water-soluble compound that in its anhydrous form, Na 2 HPO 4 , occurring as a white, crystalline, hygroscopic powder, […]
noun, Chemistry. 1. a yellow-brown, water-soluble, granular powder, Na 2 S n , used chiefly in the manufacture of sulfur dyes, insecticides, and synthetic rubber.
noun, Chemistry. 1. 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. sodium propionate noun 1. a transparent crystalline soluble substance used as a medical fungicide and to prevent the growth of moulds, esp to retard spoilage in packed […]
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 […]