非欧几何 fēi'ōujǐhé non-Euclidean geometry Origin Definitions Defs Strokes Stroke Words Sentences Sents 非 fēi adverbadjective non- (prefix) non-; un-; indicating a category or state outside of a specific scope欧 歐 ōu noun Europe (bound form) Europe; European; abbreviation for 欧洲 ōuzhōu几何 幾何 jǐhé geometry geometry; often used as a short form for 几何学 jǐhéxué