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simplex

 - 5 dictionary results

sim⋅plex

[sim-pleks] adjective, noun, plural -plex⋅es, -pli⋅ces [-pluh-sees] .
–adjective
1. simple; consisting of or characterized by a single element.
2. pertaining to or noting a telecommunications system permitting communication in only one direction at a time.
–noun
3. 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.
4. an apartment having all the rooms on one floor.

Origin:
1585–95; < L: having a single layer, lit., one-fold, equiv. to sim-, base meaning “one” (akin to similis similar, Gk hén (neut.) one, homós same (see homo- ), E same ) + -plex -plex
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sim·plex   (sĭm'plěks')   
adj.  
  1. Consisting of or marked by only one part or element.

  2. Of or relating to a telecommunications system in which only one message can be sent in either direction at one time.

n.   pl. sim·plex·es or sim·pli·ces (-plĭ-sēz')
  1. Mathematics A Euclidean geometric spatial element having the minimum number of boundary points, such as a line segment in one-dimensional space, a triangle in two-dimensional space, or a tetrahedron in three-dimensional space.

  2. Linguistics A word that has no affixes and is not part of a compound; a simple word.


[Latin, simple; see sem-1 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

simplex  (adj.)
"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.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: simplex
—see HERPES SIMPLEX, ICHTHYOSIS SIMPLEX, LICHEN SIMPLEX CHRONICUS, PERIODONTITIS SIMPLEX
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Computing Dictionary

simplex
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)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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