simple; consisting of or characterized by a single element.
pertaining to or noting a telecommunications system permitting communication in only one direction at a time.
noun, plural simplexes, simplices
[sim-pluh-sees] /ˈsɪm pləˌsis/ (Show IPA)
Mathematics. a basic geometric element in a Euclidean space, being a line segment in one dimension, a triangle in two dimensions, a tetrahedron in three dimensions, and so on: used in topology and linear programming.
an apartment having all the rooms on one floor.
1585-95; < Latin: having a single layer, literally, one-fold, equivalent to sim-, base meaning “one” (akin to similissimilar, Greekhén (neuter) one, homós same (see homo-), English same) + -plex-plex
"characterized by a single part," 1594, from L. simplex "single, simple," from PIE base *sem- "one, together" (cf. L. semper "always," lit. "once for all;" Skt. sam "together;" see same) + *plac- "-fold." The noun is attested from 1892.
1. Used to describe a communications channel that can only ever carry a signal in one direction, like a one-way street. Television is an example of (broadcast) simplex communication. Opposite: duplex. 2. The simplex method. (2001-07-21)