linear

adjective

• 1arranged in or extending along a straight or nearly straight line:linear movement
• consisting of or predominantly formed using lines or outlines:simple linear designs
• involving one dimension only:linear elasticity
• Mathematics able to be represented by a straight line on a graph:linear functions
• Mathematics involving or exhibiting directly proportional change in two related quantities:linear relationship

• 2progressing from one stage to another in a single series of steps; sequential:a linear narrative