adjective lin·e·ar \ˈli-nē-ər\

: formed by lines : made up of lines

: forming a line

: of or relating to the length of something

Full Definition of LINEAR

a (1) :  of, relating to, resembling, or having a graph that is a line and especially a straight line :  straight (2) :  involving a single dimension
b (1) :  of the first degree with respect to one or more variables
(2) :  of, relating to, based on, or being linear equations, linear differential equations, linear functions, linear transformations, or linear algebra
c (1) :  characterized by an emphasis on line <linear art>
(2) :  composed of simply drawn lines with little attempt at pictorial representation <linear script>
d :  consisting of a straight chain of atoms
:  elongated with nearly parallel sides <linear leaf> — see leaf illustration
:  having or being a response or output that is directly proportional to the input
:  of, relating to, or based or depending on sequential development <linear thinking> <a linear narrative>
lin·e·ar·i·ty \ˌli-nē-ˈer-ə-tē, -ˈa-rə-\ noun
lin·e·ar·ly \ˈli-nē-ər-lē\ adverb

Examples of LINEAR

  1. a flat, almost linear horizon
  2. <the bullets from early firearms were notorious for not following a strictly linear path through the air>

First Known Use of LINEAR

circa 1656

Other Alphabet Terms

cuneiform, minuscule, pictograph, rune, symbology, wedge
LINEAR Defined for Kids


adjective lin·ear \ˈli-nē-ər\

Definition of LINEAR for Kids

:  made up of, relating to, or like a line :  straight
:  involving a single dimension
Medical Dictionary


adjective lin·ear \ˈlin-ē-ər\

Medical Definition of LINEAR

:  of, relating to, or resembling a line
lin·ear·i·ty \ˌlin-ē-ˈar-ət-ē\ noun, plural lin·ear·i·ties
lin·ear·ly \ˈlin-ē-ər-lē\ adverb
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