the halogenated hydrocarbon tetrafluoromethane

(obsolete, chemistry) carbon disulphide

the halogenated hydrocarbon tetrabromomethane

Any of a range of alloys of iron and carbon whose properties depend on the proportion of carbon.

the photographic process of making a carbon print

(photography) an early photographic print made by soaking a carbon tissue in potassium bichromate

(chemistry) A salt, Na₂CO₃ formally derived from sodium hydroxide and carbonic acid; it is a white powder, soluble in water, with domestic, commercial and industrial uses; it occurs naturally as natrite

carbon emissions trading

Having an overall zero carbon footprint after carbon emissions trading has been taken into account.

A measure of the amount of carbon dioxide produced by a person, organization or state in a given time.