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| aeroembolism |
nitrogen or air bubbles in the bloodstream, caused by severe decompression, surgery, or injury, and resulting in severe pain and sometimes convulsions; bends; decompression sickness; caisson disease. |
| air |
the mixture of gases that surrounds the earth. Air is made up of oxygen, nitrogen, and other gases, and has no taste, odor, or color. [1/6 definitions] |
| alkaloid |
any of various nitrogen-containing organic bases found in plants and from which drugs such as nicotine, quinine, and morphine are made. |
| -amine |
containing the amino group, which has one atom of nitrogen and two of hydrogen. |
| ammonia |
the gas with a strong smell that is formed by combining nitrogen and hydrogen. Ammonia is used to make refrigerators cold and in making fertilizers. [1/2 definitions] |
| azo- |
containing nitrogen. |
| blackdamp |
a suffocating gas composed of carbon dioxide and nitrogen, found as a residue of fires and explosions of combustible gases in mines; chokedamp. |
| cyanide |
a chemical compound that contains one carbon and one nitrogen atom together with another element such as potassium or sodium, both of which form extremely poisonous substances. [1/2 definitions] |
| cyanogen |
a poisonous organic gas of carbon and nitrogen that is used for chemical warfare, as a rocket propellant, and in organic synthesis. |
| cyclonite |
an insoluble, crystalline, nitrogen compound used as an explosive or as rat poison. |
| decompression sickness |
a painful and sometimes fatal condition caused by the formation of nitrogen bubbles in the blood, resulting from returning to atmospheric pressure too quickly from deep water or a compression chamber; aeroembolism; bends. |
| denitrify |
to change (nitrates) into free nitrogen and other compounds, as by bacterial action. |
| diazine |
any chemical compound in which four carbon atoms and two nitrogen atoms are arranged in a ring. |
| endogenous |
of, pertaining to, or constituting the metabolism of elements of living tissue containing nitrogen. [1/2 definitions] |
| guano |
the nitrogen-rich excrement of sea birds or bats, used as fertilizer. [1/2 definitions] |
| hydrazine |
a colorless and corrosive fuming liquid substance of nitrogen and hydrogen that is used in rocket and jet fuels. |
| legume |
any of the family of plants, including beans and peas, that bear their seeds and fruit in pods and have roots containing nitrogen-fixing bacteria. [1/2 definitions] |
| N1 |
symbol of the chemical element nitrogen. |
| nitric |
of, pertaining to, containing, or derived from nitrogen. |
| nitride |
a compound of nitrogen and one other less electronegative element. |
| nitrify |
to treat or impregnate with nitrogen or a nitrogen compound. [1/2 definitions] |
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