1.
air pressure, especially inside a tire
The pressure of compressed air, most often the air inside a vehicle or bicycle tire. Correct pressure keeps tires safe and fuel-efficient; too low or too high causes uneven wear.
タイヤの空気圧を調べる。
Check the tire pressure.
空気圧が低いと燃費が悪くなる。
Low tire pressure worsens fuel economy.
月に一度は自転車の空気圧を確認しよう。
Let's check the bicycle's tire pressure once a month.
Compound of 空気 (air) + 圧 (pressure). In everyday use it almost always means tire pressure.
COMMON COLLOCATIONS:
- 空気圧を調整する: to adjust the air pressure
- 空気圧が足りない: the pressure is too low
- 適正空気圧: the proper / recommended pressure
SIMILAR WORDS:
- 気圧: atmospheric pressure — pressure of the atmosphere, used in weather
- 水圧: water pressure