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Webster 1913 Edition
Soda
So′da
,Noun.
[It., soda, in OIt., ashes used in making glass, fr. L.
solida
, fem. of solidus
solid; solida
having probably been a name of glasswort. See Solid
.] 1.
(Chem.)
(a)
Sodium oxide or hydroxide.
(b)
Popularly, sodium carbonate or bicarbonate. Sodium bicarbonate is also called
baking soda
Caustic soda
, sodium hydroxide.
– Cooking soda
, sodium bicarbonate.
[Colloq.]
– Sal soda
. See
– Sodium carbonate
, under Sodium
. Soda alum
(Min.)
, a mineral consisting of the hydrous sulphate of alumina and soda.
– Soda ash
, crude sodium carbonate; – so called because formerly obtained from the ashes of sea plants and certain other plants, as saltwort (
– Salsola
). See under Sodium
. Soda fountain
, an apparatus for drawing soda water, fitted with delivery tube, faucets, etc.
– Soda lye
, a lye consisting essentially of a solution of sodium hydroxide, used in soap making.
– Soda niter
. See
– Nitratine
. Soda salts
, salts having sodium for the base; specifically, sodium sulphate or Glauber’s salts.
– Soda waste
, the waste material, consisting chiefly of calcium hydroxide and sulphide, which accumulates as a useless residue or side product in the ordinary Leblanc process of soda manufacture; – called also
– alkali waste
. Washing soda
, sodium carbonate.
[Colloq.]
Webster 1828 Edition
Soda
SO'DA
,Noun.