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A salt or carbonic acid, as in limestone, some forms of lead ore, etc.

Combined or impregnated with carbonic acid.

A carbonate in which but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal carbonates; an acid carbonate; -- sometimes called supercarbonate.

To deprive of carbonic acid.

A carbonate containing an excess of the basic constituent.

A salt of sulphocarbonic acid; a thiocarbonate.

A bicarbonate. [Obsoles.]

A sulphocarbonate.

A hard, compact variety of carbonate of lime, somewhat translucent, or of banded shades of color; stalagmite. The name is used in this sense by Pliny. It is sometimes distinguished as oriental alabaster.

ain classes of alkali are commonly distinguished: black alkali, which may be any alkaline carbonate, but which practically consists of sodium carbonate (sal soda), which is highly corrosive and destructive to vegetation; and white alkali, characterized by the presence of sodium sulphate (Glauber's salt), which is less…

tinct crystalline forms of the same substance; or the substance having such forms; -- as, carbonate of lime occurs in the allomorphs calcite and aragonite.

tion process by which ammonia is formed, as that by which urea is converted into ammonium carbonate when urine is exposed to the air.

Native carbonate of soda; natron.

A mineral identical in composition with calcite or carbonate of lime, but differing from it in its crystalline form and some of its physical characters.

A siliceous variety of calcite, or carbonate of lime, having a silvery-white, pearly luster, and a waving or curved lamellar structure.

g powder or dynamite composed of nitroglycerin, wood fiber, sodium nitrate, and magnesium carbonate.

A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of brass on reduction.

Blue carbonate of copper; blue malachite.

back of the hand, caused by the irritating properties of yeast. -- Baker's salt, the subcarbonate of ammonia, sometimes used instead of soda, in making bread.

baking of bread. Baking powder, a substitute for yeast, usually consisting of an acid, a carbonate, and a little farinaceous matter.