多胞形是一类由平的边界构成的几何对象。多胞形可以存在于任意维中。多边形为二维多胞形，多面体为三维多胞形，也可以延伸到三维以上的空间，如多胞体（英语：polyhedron）即为四维多胞形。
凸多胞形 [数] convex polytope
正则多胞形 regular polytope
棱正交的多胞形 orthotope
正多胞形 convex polytope
多角形细胞 polygonal cells ; polygonal cell
对称多胞形 Simple polytope
多形核细胞 PMN ; PMNL ; Rieder cell ; polymorphonuclear cell
多形细胞层 Polymorphic layer ; multiform layer ; polymorphous cell layer ; multiform cell layer
多形细胞癌 pleomorphic carcinoma
近几年来，用线性矩阵不等式(LMI)检验矩阵多胞形稳定性已成为一个十分有用的工具。
In recent years, the use of LMI to check stability for polytope matrices has become a useful tool.
假设不确定性为矩阵多胞形结构不确定性，利用矩阵的秩- 1分解，得出系统鲁棒稳定的充分条件。
We also derive the sufficient conditions of robust stability by rank-1 decomposition of the matrix under the assumption that uncertainty is matrix polytope structured uncertainty.
基于旋转机制，提出了一种具有负泊松比效应的、由部分内凹以及部分规则六边形组成的二维多胞材料力学模型；
A mechanical model of two-dimensional cellular materials with negative Poisson's ratio, composed of partly re-entrant and partly regular hexagons, was proposed based on rotation mechanism.
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