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carbon 14 a radioactive isotope of carbon that has a half-life of about 5,700 years and whose presence in rock, fossils, and other archaeological specimens enables them to be dated.
carbonaceous of, like, containing, or yielding carbon.
carbonara designating pasta that is covered with a mild cheese sauce made up of eggs, bacon, onion, and parmesan cheese.
carbonate in chemistry, a salt or ester of carbonic acid. [3 definitions]
carbonated of or pertaining to water infused with carbon dioxide gas (used esp. in reference to carbonated beverages).
carbonation infusion of water with carbon dioxide gas.
carbon-based of or pertaining to something that contains organic molecules as a key component.
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 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.