= carbon dioxide, n. Also carbonic acid gas. Now chiefly historical.

A compound formed by the chemical combination of carbon with another element; = carbide, n.

= carburet, n.

= carbon dioxide snow n. at carbon dioxide, n. compounds.

A compound of carbon with an element, as hydrogen or a metal, as iron carbide; less usual than the older equivalent carburet. spec. Short for…

A colourless, odourless gas produced by the burning of organic compounds and fossil fuels, by the processes of respiration and decomposition, and by…

carbon dioxide.

carbon dioxide solidified by cooling; dry ice, esp. in the form of soft snowlike flakes; cf. earlier carbonic snow n. at carbonic, adj. n.compounds.

= methide, n. 3.

A carbide whose anion is a single carbon atom (C4−), and which gives methane on hydrolysis.

Carbon dioxide or other gaseous carbon compounds released into the atmosphere.