Meaning of SIMPLEX in English

I. adjective see: simple Date: 1594 simple , single , allowing telecommunication in only one direction at a time , II. noun (plural ~es) Date: 1892 a simple word, a spatial configuration of n dimensions determined by n + 1 points in a space of dimension equal to or greater than n

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.