the photographic process of making a carbon print

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

a simple electrical resistor containing carbon granules in a binder

the halogenated hydrocarbon tetraiodomethane

(inorganic chemistry) The ammonium salt of carbonic acid, (NH₄)₂CO₃; a white powder, smelling of ammonia, used in the preparation of smelling salts and baking powder.

(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

The systematic measurement of the carbon footprint of a person, organization or state, for use in carbon emissions trading

Synonym of carbon footprint

Any market in which carbon emissions trading takes place.