## Definition of linear

**:**of, relating to, resembling, or having a graph that is a line and especially a straight line

**:**straight

**:**involving a single dimension

**:**of the first degree with respect to one or more variables

**:**of, relating to, based on, or being linear equations, linear differential equations, linear functions, linear transformations, or linear algebra

**:**characterized by an emphasis on line

- linear art

**:**composed of simply drawn lines with little attempt at pictorial representation

- linear script

**:**consisting of a straight chain of atoms

- a linear molecule

**:**elongated with nearly parallel sides

- linear leaf

**:**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