Translation guide
The English term "dead space" can refer to unused physical areas, wasted time, or anatomical/physiological concepts. This guide helps learners express these ideas naturally in Japanese.
Describing an area in a room, building, or layout that is not utilized effectively.
A direct loanword from English, commonly used in interior design and architecture to refer to awkward or unusable spaces.
この部屋にはデッドスペースが多い。
This room has a lot of dead space.
Literally 'wasted space', a more general term that can be used in various contexts.
階段下の無駄な空間を収納に使う。
I use the dead space under the stairs for storage.
Sometimes used in design to mean 'buffer space' or 'allowance', but can be misunderstood as 'play space'. Use with caution.
May be interpreted as a space for children to play rather than unused area.
設計上、遊びスペースを設ける。
In the design, we include some dead space as a buffer.
Referring to a gap in a schedule or a period where nothing useful happens.
Means 'blank time' and is a natural way to describe an unproductive gap.
会議の間に空白の時間ができた。
There was some dead space between meetings.
Literally 'wasted time', a straightforward expression.
通勤の無駄な時間を減らしたい。
I want to reduce the dead space of commuting.
Refers to small gaps of free time, often used positively for utilizing short breaks.
Medical term for air in the respiratory system that does not participate in gas exchange.
The standard medical term for anatomical dead space.
解剖学的死腔は気道の容積である。
Anatomical dead space is the volume of the airways.
Specifically refers to physiological dead space, including alveolar dead space.
生理学的死腔が増加するとガス交換が低下する。
When physiological dead space increases, gas exchange decreases.
The direct translation '死んだ空間' (shinda kūkan) is not used for architectural or temporal dead space and sounds unnatural. Use the loanword デッドスペース or context-appropriate phrases.
隙間時間に読書をする。
I read during dead space moments.