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| carbon black |
any of various finely divided forms of carbon obtained from the incomplete burning of natural gas or petroleum oil, and used to make ink, pigments, and rubber, and as a filtering agent. |
| carbon copy |
a copy of a document, letter, or the like that is made by using carbon paper. [2 definitions] |
| carbon-date |
to determine the approximate age of (materials containing carbon, such as fossils) according to the residue of carbon 14 that is present. |
| carbon dating |
a way of approximating the age of an archaeological object by measuring the amount of carbon 14 in it. |
| carbon dioxide |
a colorless, odorless, incombustible gas made up of carbon and oxygen that is produced naturally in breathing, combustion, and decomposition, and commercially for use in dry ice, fire extinguishers, and carbonated beverages. |
| carbon footprint |
the total amount of carbon dioxide and other greenhouse gases produced by a single person, organization, product, or process. |
| carbonic |
of, containing, or derived from carbon with a valence of four. |
| carbonic acid |
a weak colorless unstable acid, present only in solution, formed by dissolving carbon dioxide in water. |
| Carboniferous |
the Carboniferous Period, or the rock and coal layers that date from that time. |
| carboniferous |
containing, yielding, or pertaining to carbon or coal. [3 definitions] |
| carbonize |
to reduce or change into carbon; char. [2 definitions] |
| carbonless |
combined form of carbon. |
| carbon monoxide |
a colorless, odorless, combustible, and very poisonous gas, produced by the incomplete combustion of material containing carbon, such as gasoline, because of insufficient air. |
| carbon-neutral |
of or pertaining to a state in which no net carbon dioxide is added to the atmosphere. |
| carbon paper |
very thin paper coated on one side with carbon or a dark waxy pigment, that is placed between two sheets of paper and produces a copy on the lower sheet of text that is written or typed on the upper. |
| carbon tetrachloride |
a colorless, nonflammable, vaporous, poisonous liquid used as a fire extinguisher, cleaning fluid, and solvent, and in making refrigerants. |
| carbonyl |
a metal compound containing a radical of one atom of carbon and one of oxygen, or this radical itself. |
| carboxyl |
a chemical group containing one atom of carbon, two of oxygen, and one of hydrogen, present in many organic acids. |
| carboxylic |
of or pertaining to a compound that contains a carboxyl group. |
| carboy |
a large bottle, usu. made of glass and surrounded by a protective framework of wood or basketry, used esp. to store and carry corrosive fluids. |
| carbuncle |
a dark gemstone, esp. a ruby sapphire. [2 definitions] |
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