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carbon British & World English

The chemical element of atomic number 6, a non-metal which has two main forms (diamond and graphite) and which also occurs in impure form in charcoal, soot, and coal

carbon New Oxford Dictionary for Writers & Editors

chemical element of atomic number 6

C in carbon British & World English

The chemical element of atomic number 6, a non-metal which has two main forms (diamond and graphite) and which also occurs in impure form in charcoal, soot, and coal

carbon-12 British & World English

The commonest natural carbon isotope, of mass 12. It is the basis for the accepted scale of atomic mass units

carbon-14 British & World English

A long-lived naturally occurring radioactive carbon isotope of mass 14, used in carbon dating and as a tracer in biochemistry

carbon copy British & World English

A copy of written or typed material made with carbon paper

carbon-date British & World English

Determine the age or date of (organic matter) from the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains

carbon debt British & World English

The imbalance between the carbon footprint of a particular country, group, person, etc. and any carbon offsetting that has been agreed or undertaken to counteract this

carbon sink British & World English

A forest, ocean, or other natural environment viewed in terms of its ability to absorb carbon dioxide from the atmosphere

carbon tax British & World English

A tax on fossil fuels, especially those used by motor vehicles, intended to reduce the emission of carbon dioxide

zero-carbon British & World English

Causing or resulting in no net release of carbon dioxide into the atmosphere

carbon copy New Oxford Dictionary for Writers & Editors

(two words; abbreviation cc or c.c.)

active carbon British & World English

Another term for activated carbon.

carbon black British & World English

A fine carbon powder used as a pigment, made by burning hydrocarbons in insufficient air

carbon credit British & World English

A permit which allows a country or organization to produce a certain amount of carbon emissions and which can be traded if the full allowance is not used

carbon cycle British & World English

The series of processes by which carbon compounds are interconverted in the environment, involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels

carbon dating British & World English

The determination of the age or date of organic matter from the relative proportions of the carbon isotopes carbon-12 and carbon-14 that it contains. The ratio between them changes as radioactive carbon-14 decays and is not replaced by exchange with the atmosphere

carbon fibre British & World English

A material consisting of thin, strong crystalline filaments of carbon, used as a strengthening material, especially in resins and ceramics

carbon paper British & World English

Thin paper coated with carbon or another pigmented substance, used for making a second impression of a document as it is being written or typed

carbon steel British & World English

Steel in which the main alloying element is carbon

carbon dioxide British & World English

A colourless, odourless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 per cent) and is absorbed by plants in photosynthesis

carbon fixation British & World English

The incorporation of carbon into organic compounds by living organisms, chiefly by photosynthesis in green plants

carbon monoxide British & World English

A colourless, odourless toxic flammable gas formed by incomplete combustion of carbon

carbon-neutral British & World English

Making or resulting in no net release of carbon dioxide into the atmosphere, especially as a result of carbon offsetting

carbon process British & World English

A method of making photographic prints that uses a pigment, especially carbon, contained in a sensitized tissue of gelatin

carbon trading British & World English

Another term for emissions trading.

activated carbon British & World English

Charcoal that has been heated or otherwise treated to increase its adsorptive power

carbon disulphide British & World English

A colourless toxic flammable liquid used as a solvent, especially for rubber and sulphur

carbon footprint British & World English

The amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community

carbon offsetting British & World English

The counteracting of carbon dioxide emissions with an equivalent reduction of carbon dioxide in the atmosphere

carbon sequestration British & World English

A natural or artificial process by which carbon dioxide is removed from the atmosphere and held in solid or liquid form

carbon tetrachloride British & World English

A colourless toxic volatile liquid used as a solvent, especially for fats and oils

carbon capture and storage British & World English

The process of trapping carbon dioxide produced by burning fossil fuels or other chemical or biological process and storing it in such a way that it is unable to affect the atmosphere

carbon disulfide in carbon disulphide British & World English

A colourless toxic flammable liquid used as a solvent, especially for rubber and sulphur


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