air mass

noun

Pronunciation: /ˈɛər mæs/

Definition

A large volume of air in the atmosphere characterized by relatively uniform temperature and humidity properties.

Examples

• A cold air mass moved down from the Arctic, causing temperatures to plummet overnight.

• The collision between a warm air mass and a cold one often results in severe thunderstorms.

• Meteorologists track the movement of each air mass to predict regional weather patterns.

Synonyms of air mass

Words with a similar meaning to air mass:

• weather system
• air body
• atmospheric parcel
• front

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