(n)a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis, Syn.carbonic acid gas, CO2
(n)a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain, Syn.sulphur dioxide
(n)acidosis resulting from reduced gas exchange in the lungs (as in emphysema or pneumonia); excess carbon dioxide combines with water to form carbonic acid which increases the acidity of the blood, Syn.carbon dioxide acidosis
(n)a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite, Syn.silicon oxide, silicon dioxide
n. [ Pref. di- + oxide. ] (Chem.) (a) An oxide containing two atoms of oxygen in each molecule; binoxide. (b) An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide. [ Obs. ] [ 1913 Webster ]
Carbon dioxide. See Carbonic acid, under Carbonic. [ 1913 Webster ]
[ちょりゅう, choryuu](n, vs) accumulation; retention; collection; sequestration (as in carbon dioxide sequestration); storage (usually a liquid, e.g. rainwater, or behind a dam.)[Add to Longdo]
[にさんかケイそ(二酸化ケイ素);にさんかけいそ(二酸化珪素), nisanka kei so ( ni sanka kei moto ); nisankakeiso ( ni sanka kei moto )](n) (See シリカ) silicon dioxide (SiO2); silica[Add to Longdo]
[にさんかたんそのきゅうしゅうげん(二酸化炭素の吸収源);にさんかたんそきゅうしゅうげん(二酸化炭素吸収源), nisankatansonokyuushuugen ( nisankatanso no kyuushuu gen ); nisankatansokyuushuugen](n) carbon sink; carbon dioxide sink; CO2 sink[Add to Longdo]