気圧

1. Origins, structure, and basic meaning

• Structure: 気圧 is read きあつ and means pressure exerted by air.
• Basic usage: It is used when recording air pressure with an instrument or examining changes with altitude.

2. Common pitfalls and similar expressions

• Temperature and pressure
  • 気温 is air temperature, while 気圧 is air pressure.
• What changes
  • 高さと気圧の変化 presents altitude and air pressure together as things whose changes are examined.