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An instrument for detecting and measuring the amount of carbon which is present, or more esp. the amount of carbon dioxide, by its action on limewater or by other means.

'\'b7, occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc.

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.

The action or process of depriving a substance of carbon.

To deprive of carbon; as, to decarbonize steel; to decarbonize the blood. Decarbonized iron. See Malleable iron. -- Decarbonized steel, homogenous wrought iron made by a steel process, as that of Bessemer; ingot iron.

He who, or that which, decarbonizes a substance.

Containing two carbon residues, or two carboxyl or radicals; as, oxalic acid is a dicarbonic acid.

A compound containing only hydrogen and carbon, as methane, benzene, etc.; also, by extension, any of their derivatives. Hydrocarbon burner, furnace, stove, a burner, furnace, or stove with which liquid fuel, as petroleum, is used.

Of the nature, or containing, hydrocarbons.

Containing one carboxyl group; as, acetic acid is a monocarbonic acid.

or by means of chlorpicrin, and is believed to be a derivative of the hypothetical normal carbonic acid, C.(OH)4.

To restore carbon to; as, to recarbonize iron in converting it into steel.

A carbonate containing an excess of the basic constituent.

Of or pertaining to the lowest division of the Carboniferous formations underlying the proper coal measures. It was a marine formation characterized in general by beds of limestone. -- n.

A salt of sulphocarbonic acid; a thiocarbonate.

Of, pertaining to, or designating, a sulphacid, H2CSO2 (called also thiocarbonic acid), or an acid, H2CS3, analogous to carbonic acid, obtained as a yellow oily liquid of a pungent odor, and forming salts.

A bicarbonate. [Obsoles.]

A sulphocarbonate.

Same as Sulphocarbonic.