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The Collaborative International Dictionary
Soda ash

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.)

    1. Sodium oxide or hydroxide.

    2. Popularly, sodium carbonate or bicarbonate. Sodium bicarbonate is also called baking soda

  2. same as sodium, used in terms such as bicarbonate of soda.

  3. same as soda water.

  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.

    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.]

Wiktionary
soda ash

n. industrial-grade sodium carbonate

WordNet
soda ash

n. a sodium salt of carbonic acid; used in making soap powders and glass and paper [syn: sodium carbonate, washing soda, sal soda, soda]

Usage examples of "soda ash".

Usually, the silica is from sand (or quartz pebbles), the sodium oxide is formed from sodium carbonate (soda ash), and the calcium oxide is derived from calcium carbonate (limestone).

I measure in soda ash and cover the pot, turn on the exhaust hood.

This process would use only 1/7 to 1/4 as much polluting sulfur-based acid chemicals to break down the glue-like lignin that binds the fibers of the pulp, or even none at all using soda ash.

He climbed on top of the harvester again and threw handfuls of soda ash into the pools of acid.

There was a bag of soda ash in the copter, kept there for just this kind of emergency.

The mounted indians floundered among the down and kicking horses and they milled and circled and were shot down one by one until the dozen survivors among them turned and fled up the lake past the groaning column of refugees and disappeared in a drifting wake of soda ash.

He put down his plate (he had left the minnow) and he took from his satchels a small pot, a pipe, and some sacks of sand and soda ash and lime and other minerals.

Tahari salt accounts, in its varieties, I would suspect, for some twenty percent of the salt and salt-related products, such as medicines and antiseptics, preservatives, cleansers, bleaches, bottle glass, which contains soda ash, taken from salt, and tanning chemicals, used on known Gor.