noun
atrium; open vertical space; stairwell
Refers to an open vertical space inside a building, such as an atrium, stairwell, or light well. Often used in architectural contexts.
See also: 階段の吹き抜け
このホテルのロビーには大きな吹き抜けがある。
This hotel lobby has a large atrium.
階段の吹き抜けから光が差
Light is coming in through the stairwell.
noun, noun-modifying (irregular)
Technical term for gas or fluid leaking past a seal or piston, or a sudden rupture. Used in engineering and automotive contexts.
エンジンの吹き抜けが発生すると、出力が低下する。
When blow-by occurs in the engine, power output drops.
noun which may take the genitive case particle 'no'
drafty; draughty
Describes a place where wind or air flows through, often uncomfortably. Used attributively with 〜部屋, 〜場所, etc.
この部屋は吹き抜けで寒い。
This room is drafty and cold.
アトリウム is a loanword often used for modern architectural atriums, while 吹き抜け is a native Japanese term that can refer to any open vertical space, including stairwells.
すきま風 specifically means a draft coming through a gap or crack, whereas 吹き抜け (drafty sense) describes a space that is inherently open to airflow.
Compound of 吹き (fuki, continuative form of 吹く 'to blow') + 抜け (nuke, continuative form of 抜ける 'to pass through'), literally 'blowing through'. The architectural sense derives from the idea of wind or light passing through an open vertical space.