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Carbon dioxide   /kˈɑrbən daɪˈɑksˌaɪd/   Listen
noun
Carbon  n.  (Chem.)
1.
An elementary substance, not metallic in its nature, which is present in all organic compounds. Atomic weight 11.97. Symbol C. it is combustible, and forms the base of lampblack and charcoal, and enters largely into mineral coals. In its pure crystallized state it constitutes the diamond, the hardest of known substances, occuring in monometric crystals like the octahedron, etc. Another modification is graphite, or blacklead, and in this it is soft, and occurs in hexagonal prisms or tables. When united with oxygen it forms carbon dioxide, commonly called carbonic acid, or carbonic oxide, according to the proportions of the oxygen; when united with hydrogen, it forms various compounds called hydrocarbons. Compare Diamond, and Graphite.
2.
(Elec.) A carbon rod or pencil used in an arc lamp; also, a plate or piece of carbon used as one of the elements of a voltaic battery.
3.
A sheet of carbon paper.
4.
A carbon copy.
Carbon compounds, Compounds of carbon (Chem.), those compounds consisting largely of carbon, commonly produced by animals and plants, and hence called organic compounds, though their synthesis may be effected in many cases in the laboratory. "The formation of the compounds of carbon is not dependent upon the life process."
carbon copy, originally, a copy of a document made by use of a carbon paper, but now used generally to refer to any copy of a document made by a mechanical process, such as xerographic copying.
Carbon dioxide, Carbon monoxide. (Chem.) See under Carbonic.
Carbon light (Elec.), an extremely brilliant electric light produced by passing a galvanic current through two carbon points kept constantly with their apexes neary in contact.
Carbon point (Elec.), a small cylinder or bit of gas carbon moved forward by clockwork so that, as it is burned away by the electric current, it shall constantly maintain its proper relation to the opposing point.
Carbon paper, a thin type of paper coated with a dark-colored waxy substance which can be transferred to another sheet of paper underneath it by pressing on the carbon paper. It is used by placing a sheet between two sheets of ordinary writing paper, and then writing or typing on the top sheet, by which process a copy of the writing or typing is transferred to the second sheet below, making a copy without the need for writing or typing a second time. Multiple sheets may be used, with a carbon paper placed above each plain paper to which an impression is to be transferred. In 1997 such paper was still used, particularly to make multiple copies of filled-in purchase invoice forms, but in most applications this technique has been superseded by the more faithful xerographic reproduction and computerized printing processes.
Carbon tissue, paper coated with gelatine and pigment, used in the autotype process of photography.
Gas carbon, a compact variety of carbon obtained as an incrustation on the interior of gas retorts, and used for the manufacture of the carbon rods of pencils for the voltaic, arc, and for the plates of voltaic batteries, etc.


Dioxide  n.  (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.)
Carbon dioxide. See Carbonic acid, under Carbonic.





Collaborative International Dictionary of English 0.48


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"Carbon dioxide" Quotes from Famous Books



... will burn. In this way the carbon taken into the body as food, when combined with the oxygen of the inhaled air, yields heat to keep the body warm, and force—muscular strength—for work. The carbonic acid (or carbon dioxide) is given out through the lungs and skin. In the further study of carbonaceous foods, their relation to the body as fuel will be more clearly understood, as carbon is the most important fuel element. Phosphorus is a solid. According to the table, about one pound six ounces would be ...
— Public School Domestic Science • Mrs. J. Hoodless
... large number of flagellated cells. But it differs from magosphaera in certain important respects. In the first place its cells have chlorophyl, the green coloring matter of plants. It lives therefore on unorganized fluid nourishment, carbon dioxide, nitrates, etc. It is a plant. But certain characteristics render it probable that it once lived on solid food and was therefore an animal. For where almost the sole difference between plants and animals is in the fluid or solid character of their food, a change ...
— The Whence and the Whither of Man • John Mason Tyler
... increase in the obliquity of the ecliptic. But these astronomical explanations have not met with much acceptance by physicists; and so chemists have been turned to by some geologists for support of the hypothesis of the variation in the amount of carbon dioxide in the air, or of other alterations in the atmosphere, while others have gone back to the idea of geographical changes. That considerable oscillations of the relative levels of land and sea took place during the Ice Age has been now clearly established, and the general result ...
— The Naturalist in Nicaragua • Thomas Belt
... sweets, sauces, pickles. Innumerable flies surround everything. On much of the tinned stuff were very old labels. No man of experience up-country in India will touch tinned stuff of that description. The soda water factory was in a small courtyard. There was a big green gasometer of carbon dioxide, a glittering brass-bound pump and a filling apparatus. Three tubs were on the floor containing a blue, a red and a clear fluid. These, said the Arab proprietor, were English disinfectants in which ...
— In Mesopotamia • Martin Swayne


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