1.
indoor, inside a room
The inside of a room or building; used to describe activities, conditions, or items that are indoors.
室内は禁煙です。
Smoking is prohibited indoors.
室内プールで泳ぐ。
I swim at the indoor pool.
室内の温度を調整する。
I adjust the indoor temperature.
室内 combines 室 (room) + 内 (inside).
COMMON COMPOUNDS:
- 室内プール (indoor pool)
- 室内装飾 (interior decoration)
- 室内温度 (indoor temperature)
- 室内スリッパ (indoor slippers)
RELATED TERMS:
- 屋内 (indoors) - synonym
- 屋外/室外 (outdoors) - antonym
- 店内 (inside the store)
USAGE NOTES:
- Used as a noun or as a no-adjective (室内の~)
- Common in signs and regulations