正多胞形 zhèngduōbāoxíng regular polytope Definitions Defs Origin Strokes Stroke Words Sentences Sents 正 zhèng noun straight straight; upright; not tilted; also used to describe shapes with equal sides and angles, such as a regular hexagon多胞形 duōbāoxíng polytope polytope; a geometric object with flat sides that exists in any number of dimensions