chromatic numberWiktionary 原文英美释义名词noun1(graph theory) The smallest number of colours needed to colour a given graph (i.e., to assign a colour to each vertex such that no two vertices connected by an edge have the same colour).同族词派生词 4chromatic number problem·edge chromatic number·harmonious chromatic number·total chromatic number相关词 3achromatic number·chromatic index·chromatic polynomial