双曲 Traditional form: 雙曲 Pinyin (reading): shuāngqū Definitions: hyperbola hyperbolic (function) Characters: 双 - pair, couple; both; measure word for things that come in pairs 曲 - crooked, bent; wrong, false Traditional characters: 雙 - pair, couple; both; measure word for things that come in pairs 曲 - crooked, bent; wrong, false