noun
Used in technical contexts such as engineering, plumbing, or geography to refer to an opening or entrance for fluid, air, or a narrow body of water.
このポンプのインレットは直径が5センチです。
The inlet of this pump is 5 centimeters in diameter.
冷却水はインレットから入り、アウトレットから出る。
Cooling water enters through the inlet and exits through the outlet.