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Meteorology
A database of terms pertaining to the scientific study of the atmosphere.
Industry: Weather
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Meteorology
noble gases
Weather; Meteorology
The elements helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn) that make up the eighth period of the periodic table. Because of their completely filled atomic orbitals, ...
nitrous oxide
Weather; Meteorology
Colorless gas, formula N 2 O, released by bacterial activity at the earth's surface. It has an atmospheric lifetime of about 160 years and is currently present at a level of about 330 ppb. Its ...
nitrous acid
Weather; Meteorology
1. Weak acid formed in solution by neutralization of the nitrite ion. Also formed when nitrogen dioxide, NO 2 , dissolves in water. 2. Gaseous compound, formula HONO, that builds up in polluted, ...
nitrogen-fixing plants
Weather; Meteorology
Certain plants (mostly leguminous) that are capable of biological conversion of molecular dinitrogen (atmospheric nitrogen, or N 2 ) to organic combinations (nitrogen fixation), or to forms usable in ...
nitrogen fixation
Weather; Meteorology
The incorporation of gaseous molecular nitrogen, N 2 , into nitrogenous compounds. Abiotic fixation of N 2 occurs via lightning and photochemical conversion in the atmosphere. Biotic fixation of N 2 ...
nitrogen oxides
Weather; Meteorology
Family of compounds in which nitrogen is bound to oxygen. The most abundant is nitrous oxide, formula N 2 O, which is relatively unreactive. Nitric oxide (NO) and nitrogen dioxide (NO 2 ) are highly ...