simplex

1 of 2

adjective

sim·​plex ˈsim-ˌpleks 

1

: simple, single

2

: allowing telecommunication in only one direction

a simplex system

simplex

2 of 2

noun

plural simplexes

1

or plural simplices ˈsim-plə-ˌsēz  or simplicia sim-ˈpli-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

Word History

Etymology

Adjective

Latin simplic-, simplex — more at simple

First Known Use

Adjective

14th century, in the meaning defined at sense 1

Noun

1890, in the meaning defined at sense 1

Phrases Containing simplex

• herpes simplex

Medical Definition

simplex

see epidermolysis bullosa simplex, genital herpes simplex, herpes simplex, ichthyosis simplex, lichen simplex chronicus, periodontitis simplex