From The Collaborative International Dictionary of English v.0.48 [gcide]:
Soda \So"da\, n. [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}
[1913 Webster]
2. same as {sodium}, used in terms such as {bicarbonate of
soda}.
[PJC]
3. same as {soda water}.
[PJC]
4. a non-alcoholic beverage, sweetened by various means,
containing flavoring and supersaturated with carbon
dioxide, so as to be effervescent when the container is
opened; -- in different localities it is variously called
also {soda pop}, {pop}, {mineral water}, and {minerals}.
It has many variants. The sweetening agent may be natural,
such as cane sugar or corn syrup, or artificial, such as
saccharin or aspartame. The flavoring varies widely,
popular variants being fruit or cola flavoring.
[PJC]
{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.]
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Sodium \So"di*um\, n. [NL., fr.E. soda.] (Chem.)
A common metallic element of the alkali group, in nature
always occuring combined, as in common salt, in albite, etc.
It is isolated as a soft, waxy, white, unstable metal, so
highly reactive that it combines violently with water, and to
be preserved must be kept under petroleum or some similar
liquid. Sodium is used combined in many salts, in the free
state as a reducer, and as a means of obtaining other metals
(as magnesium and aluminium) is an important commercial
product. Symbol Na ({Natrium}). Atomic weight 22.990.
Specific gravity 0.97.
[1913 Webster]
{Sodium amalgam}, an alloy of sodium and mercury, usually
produced as a gray metallic crystalline substance, which
is used as a reducing agent, and otherwise.
{Sodium carbonate}, a white crystalline substance,
{Na2CO3.10H2O}, having a cooling alkaline taste, found in
the ashes of many plants, and produced artifically in
large quantities from common salt. It is used in making
soap, glass, paper, etc., and as alkaline agent in many
chemical industries. Called also {sal soda}, {washing
soda}, or {soda}. Cf. {Sodium bicarbonate}, and {Trona}.
{Sodium chloride}, common, or table, salt, {NaCl}.
{Sodium hydroxide}, a white opaque brittle solid, {NaOH},
having a fibrous structure, produced by the action of
quicklime, or of calcium hydrate (milk of lime), on sodium
carbonate. It is a strong alkali, and is used in the
manufacture of soap, in making wood pulp for paper, etc.
Called also {sodium hydrate}, and {caustic soda}. By
extension, a solution of sodium hydroxide.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Washing \Wash"ing\, n.
1. The act of one who washes; the act of cleansing with
water; ablution.
[1913 Webster]
2. The clothes washed, esp. at one time; a wash.
[1913 Webster]
3. (Mining) Gold dust procured by washing; also, a place
where this is done; a washery.
[Webster 1913 Suppl.]
4. A thin covering or coat; as, a washing of silver.
[Webster 1913 Suppl.]
5. (Stock Exchanges) The operation of simultaneously buying
and selling the same stock for the purpose of manipulating
the market. The transaction is fictitious, and is
prohibited by stock-exchange rules.
[Webster 1913 Suppl.]
6. (Pottery) The covering of a piece with an infusible
powder, which prevents it from sticking to its supports,
while receiving the glaze.
[Webster 1913 Suppl.]
{Washing bear} (Zool.), the raccoon.
{Washing bottle} (Chem.), a bottle fitted with glass tubes
passing through the cork, so that on blowing into one of
the tubes a stream of water issuing from the other may be
directed upon anything to be washed or rinsed, as a
precipitate upon a filter, etc.
{Washing fluid}, a liquid used as a cleanser, and consisting
usually of alkaline salts resembling soaps in their
action.
{Washing machine}, a machine for washing; specifically, a
machine for washing clothes.
{Washing soda}. (Chem.) See {Sodium carbonate}, under
{Sodium}.
{Washing stuff}, any earthy deposit containing gold enough to
pay for washing it; -- so called among gold miners.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
washing soda
n 1: a sodium salt of carbonic acid; used in making soap powders
and glass and paper [syn: {sodium carbonate}, {washing
soda}, {sal soda}, {soda ash}, {soda}]
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