noun
feverishness; feverish feeling
Refers to a subjective sensation of heat or feverishness, often from illness or excitement. Not as common as 熱 (ねつ) for 'fever'.
風邪で熱気を感じる。
I feel feverish because of a cold.
彼の顔には熱気があった。
His face had a feverish look.