air pressure

Noun

The force exerted onto a surface by the weight of the air.

ریشه

From the English words 'air' and 'pressure'. 'Air' comes from Old English 'ǣr', and 'pressure' comes from Latin 'pressura', from 'pressus', past participle of 'premere' meaning 'to press'.

مثال

• Air pressure decreases with altitude.
• Changes in air pressure can affect the weather.
• Barometers are used to measure air pressure.

ترکیب‌های رایج

High air pressure Low air pressure Measure air pressure Air pressure changes