吹ふき抜ぬけ

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おおきな吹ふき抜ぬけがある。

  This hotel lobby has a large atrium.

• 階かい段だんの吹ふき抜ぬけから光ひかりが差さし込こんでいる。

  Light is coming in through the stairwell.

noun, noun-modifying (irregular)

blow-by; leakage; blowout

Technical term for gas or fluid leaking past a seal or piston, or a sudden rupture. Used in engineering and automotive contexts.

• エンジンの吹ふき抜ぬけが発はっ生せいすると、出しゅつ力りょくが低てい下かする。

  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.

• この部屋へやは吹ふき抜ぬけで寒さむい。

  This room is drafty and cold.