Euclidean
/juːˈklɪdɪən/adjective
1- of or relating to Euclid, in particular（与）欧几里得（有关）的, 尤指：
1.1
- of or denoting the system of geometry based on the work of Euclid and corresponding to the geometry of ordinary experience欧几里得几何的。
1.2
- of such a nature that the postulates of this system of geometry are valid欧几里得几何公设合理性的。比较NON-
E UCLIDEAN.