|
|
Multi-word Results
| activated carbon |
a form of very porous and thus very absorbent carbon, produced by heating charcoal so as to empty out contained gases, and used to absorb other gases, recover solvents, deodorize, and the like; activated charcoal. |
| 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. |
| 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 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. |
| 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 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. |
| carbon-based |
of or pertaining to something that contains organic molecules as a key component. |
| 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-neutral |
of or pertaining to a state in which no net carbon dioxide is added to the atmosphere. |
|
|