noun, noun which may take the genitive case particle 'no'
indoor and outdoor; inside and outside
Refers to both interior and exterior spaces, often used in contexts like temperature, activities, or facilities that span both environments.
この温度計は室内外の気温を測れます。
This thermometer can measure indoor and outdoor temperatures.
室内外で使えるシューズを探しています。
I'm looking for shoes that can be used both indoors and outdoors.
Means 'outdoor' only, not covering indoor spaces.
Compound of 室内 (indoor) and 外 (outside), literally 'room interior and outside'.