The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
(also Archimedean solid), a polyhedron whose faces are regular polygons of different types and whose polyhedral angles at the vertices are congruent. There are 13 types of semiregular polyhedrons and two infinite series (see).
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.