| 单词 | carbon cycle |
| 释义 | carbon /kärˈbən/noun
Of or relating to carbon ORIGIN: Fr carbone, from L carbō, -ōnis coal, charcoal carbonāˈceous adjective
carˈbonate noun A salt of carbonic acid transitive verb
carbonāˈtion noun carbonˈatite noun An intrusive carbonate rock carbonic /-bonˈik/ adjective Of or relating to carbon carbonifˈerous adjective
carbonizāˈtion or carbonisāˈtion noun carˈbonize or carˈbonise transitive verb
To become carbonized carbon anhydride same as carbon dioxide below. carbon arc noun An arc between two carbon electrodes, used for high-intensity lighting carbon black noun A form of finely divided carbon produced by partial combustion of hydrocarbons, used in making inks and rubber carbon capture and storage noun The capture and storage of carbon dioxide emitted from eg power plants, in order to prevent it entering the atmosphere (abbrev CCS) carbon copy noun
carˈbon-copˈy transitive verb To copy exactly carbon credit noun A unit, representing part of a country's or organization's total allowance for the emission of carbon dioxide, which may be traded to another country or organization if the full allowance is not used carbon cycle noun
carbon dating noun Estimating the date of death of prehistoric organic material from the amount of carbon-14 still present in it carbon dioxide noun An oxide of carbon (CO2), a colourless, odourless, incombustible gas, present in the atmosphere, which in solution in water forms carbonic acid (formerly called carbonˈic-acid gas) carbon dioxide snow noun Dry ice (see ice) carbon disulphide noun (CS2) a colourless, flammable liquid with an unpleasant smell, used in the manufacture of man-made fibres and solvents carbon fibres plural noun Very fine filaments of carbon used in bundles, bound together by resins, to form strong lightweight materials carbon footprint noun The extent to which a person, community or organization is responsible for the emission of carbon dioxide into the atmosphere through use of fossil fuels carˈbon-14 noun A radioactive isotope of carbon, used eg as a tracer element in biological studies or in dating archaeological material carbonic acid noun (H2CO3) a weak acid carbonic anhydrase noun An enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water carbon microphone noun A microphone in which variations in sound pressure produced in a diaphragm are detected in a current passing through carbon granules which register a decrease of contact resistance as the sound pressure increases carbon monoxide noun (CO) a colourless, odourless, very poisonous gas which burns with a blue flame to form carbon dioxide carbon-neut'ral adjective (of a human activity) creating no overall increase or decrease in the emission of carbon dioxide into the atmosphere carbon offsetting noun The reduction in the emission of carbon from a source to compensate for an emission made elsewhere carbon process noun (photography) A printing process using paper sensitized with potassium bichromate and coated with gelatine and a pigment carbon sink noun An area, rich in natural flora, that absorbs more carbon dioxide than it produces carbon steel noun Steel containing carbon, with different properties according to the quantity of carbon used carbon tax noun A tax imposed on industry, and on the users of motor vehicles, to try to limit the amount of carbon being released into the atmosphere from the burning of fossil fuels carbon tetrachloride noun (CCl4) a solvent made from chlorine and carbon disulphide (also tetrachloromethane) carbon trading noun The trading of carbon credits (qv above) carˈbon-12 noun An isotope of carbon with a mass of 12, used as a standard in determining relative atomic and molecular weight |
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