plural of carbon copy

calcium carbonate

(chemistry) A fine black powder of amorphous carbon manufactured by the incomplete combustion of natural gas or oil, and used as a pigment in the manufacture of ink and paint. Used as a filler in rubber like polymers and rubber. It helps the polymers resist deterioration by ultraviolet rays.

A tax levied on the carbon contents used by the burning fossil fuels, so as to discourage the production of the greenhouse gas carbon dioxide.

A weak unstable acid, H₂CO₃, known only in solution, and as carbonate salts; it is present in carbonated drinks, and sparkling wine, but decomposes to form carbon dioxide and water.

(inorganic chemistry) A colourless or white inorganic compound, CaCO₃, occurring as chalk, limestone, marble etc; reacts with acids to liberate carbon dioxide.

a process whereby trees and other plants remove carbon dioxide from the atmosphere and through photosynthesis, turn it into plant material

food-grade carbon black

(inorganic chemistry, countable) Synonym of bicarbonate / (inorganic chemistry, uncountable) carbonic acid

(physics, astronomy) the nucleosynthesis process, in stars of greater than 8 solar mass that have exhausted their helium supply, in which carbon is converted to neon, sodium, magnesium and other elements