adj.
Function: noun
Inflected Form: plural sim · plex · es
Date: 1892
1 or plural sim · pli · ces \ -pl ə - ˌ s ē z \ or sim · pli · cia \ sim- ' pli-sh( ē -) ə \ : a simple word
2 : a spatial configuration of n dimensions determined by n + 1 points in a space of dimension equal to or greater than n <a triangle together with its interior determined by its three vertices is a two-dimensional simplex in the plane or any space of higher dimension>