n. 碳酸氢钠, 小苏打

[化] 碳酸氢钾

[医] 碳酸氢钾

[ noun ]
a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid
<noun.substance>

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 {A["e]rated}.] (Old Chem.)
A["e]rated 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.

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.