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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 tasteless, odorless, and colorless mixture of nitrogen, oxygen, and other gases that forms the earth's atmosphere. [1/8 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 pungent gas formed from the chemical combination of nitrogen and hydrogen, used esp. in refrigeration 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]