What does 空気 mean?
空気 is a Japanese noun meaning “air, atmosphere” in English. It can also be translated as “mood, someone with no presence” depending on context. It is written as 空気 in kanji, くうき in hiragana, and kuuki in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
空気は音の媒体だ。
The air is a medium for sound.