(computing) A piece of hardware installed into a personal computer to allow it to send video signals to an external output device such as a monitor or projector.

(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.

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.

A large European spider, Tegenaria parietina.

A card set down at a table to inform a guest (named on the card) where they are to sit.