carbonate

[ noun kahr-buh-neyt, -nit; verb kahr-buh-neyt ]

Phonetic (Standard)IPA

noun

, car·bon·at·ed, car·bon·at·ing.

carbonate

a salt or ester of carbonic acid. Carbonate salts contain the divalent ion CO 3 ^2–

to form or turn into a carbonate
tr to treat with carbon dioxide or carbonic acid, as in the manufacture of soft drinks

carbonate

/ kär′bə-nāt′ /

A salt or ester of carbonic acid, containing the group CO 3 . The reaction of carbonic acid with a metal results in a salt (such as sodium carbonate), and the reaction of carbonic acid with an organic compound results in an ester (such as diethyl carbonate).
Any other compound containing the group CO 3 . Carbonates include minerals such as calcite and aragonite.
Sediment or a sedimentary rock formed by the precipitation of organic or inorganic carbon from an aqueous solution of carbonates of calcium, magnesium, or iron. Limestone is a carbonate rock.

1785–95; carbon(ic acid) + -ate ², later taken as -ate ¹

C18: from French, from carbone carbon

Using vinegar to break up the calcium carbonate deposits in your coffee maker?

When ordinary methods do not suffice, it can usually be cleared by shaking up with a little magnesium carbonate and filtering.

It is in this way that lime, which occurs in the soil principally as the insoluble carbonate, is dissolved and absorbed.

But the part soluble in acids is distinguished by the great abundance of carbonate of lime.

Chalk is a very pure form of carbonate of lime, and where it abounds has been largely employed as an application on the soil.

Calcareous incrustations, including fragments of madrepores, and of shells, cemented by splintery carbonate of lime.

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