热昏 Traditional form: 熱昏 Pinyin (reading): rèhūn Definitions: to be overcome by the heat Characters: 热 - heat, fever, zeal 昏 - dusk, nightfall, twilight, dark; to faint, to lose consciousness Traditional characters: 熱 - heat, fever, zeal 昏 - dusk, nightfall, twilight, dark; to faint, to lose consciousness