(inorganic chemistry) The normal oxide of carbon, CO₂; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.

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.

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.

(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

plural of carbon copy

(chiefly British spelling) Alternative spelling of carbon fiber

A very strong filament made by the pyrolysis of a synthetic fiber such as rayon. / A cloth or felt made from these fibers.

food-grade carbon black

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