秒回 Traditional form: 秒回 Pinyin (reading): miǎohuí Definitions: (neologism) (slang) to respond to a message within seconds Characters: 秒 - a second; a corn kernel; measure word for time 回 - to return, to turn around; a time Traditional characters: 秒 - a second; a corn kernel; measure word for time 回 - to return, to turn around; a time