Meteorology

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, ...

nival

Weather; Meteorology

Characterized by snow or a snowy environment.

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, ...

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 ...