English

Alternative forms

• air mass

Noun

airmass ‎(plural airmasses)

1. (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.

Translations

See also

• air mass classification
• airmass source region

Source: FM 3-6 Field Behavior of NBC Agents.

Anagrams

• Marissa