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saleratus n. 重碳酸钠,小苏打 重碳酸钠,小苏打 saleratus n 1: a white soluble compound ( NaHCO3) used in effervescent drinks and in baking powders and as an antacid [ synonym: { bicarbonate of soda}, { sodium hydrogen carbonate}, { sodium bicarbonate}, { baking soda}, { saleratus}] Saleratus \ Sal` e* ra" tus\, n. [ NL. sal a[" e] ratus; -- so called because it is a source of fixed air ( carbon dioxide). See { Sal}, and and { Aerated}.] ( Old Chem.) Aerated salt; a white crystalline substance having an alkaline taste and reaction, consisting of sodium bicarbonate ( see under { Sodium}.) It is largely used in cooking, with sour milk ( lactic acid) or cream of tartar as a substitute for yeast. It is also an ingredient of most baking powders, and is used in the preparation of effervescing drinks. [ 1913 Webster]
Sodium bicarbonate \ Sodium bicarbonate\, a white crystalline substance, { HNaCO3}, with a slight alkaline taste resembling that of sodium carbonate. It is found in many mineral springs and also produced artificially,. It is used in cookery, in baking powders, and as a source of carbonic acid gas ( carbon dioxide) for soda water. Called also { baking soda}, { cooking soda}, { bicarbonate of soda}, { bicarb}, { saleratus}, and technically, { acid sodium carbonate}, { sodium acid carbonate}, { primary sodium carbonate}, { sodium dicarbonate}, etc. [ 1913 Webster]
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