airmass
Noun
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Noun
airmass (plural airmasses)
- (physics, meteorology) a widespread body of air, the properties of which can be identified as: (a) having been established while that air was situated over a particular region of the Earth's surface (airmass source region) and (b) undergoing specific modifications while in transit away from the source region. An air mass is often defined as a widespread body of air that is approximately homogeneous in its horizontal extent, particularly with reference to temperature and moisture distribution; in addition, the vertical temperature and moisture variations are approximately the same over its horizontal extent.
- (astronomy) The amount of air through which light from a celestial object passes, normalized to 1 for an object at zenith.
- French: mass d'air
- German: luftmasse
- Portuguese: massa de ar
- Russian: масса воздуха
- Spanish: masa de aire
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003