欧氏几何 ōushìjǐhé Euclidean geometry Origin Definitions Defs Strokes Stroke Words Sentences Sents 欧氏 歐氏 ōushì Euclid (bound form) Euclid; Euclidean; abbreviation for 欧几里得 ōujǐlǐdé几何 幾何 jǐhé geometry geometry; often used as a short form for 几何学 jǐhéxué