linear

Having the form of a line; straight or roughly straight; following a direct course.

Of or relating to lines.

Made, or designed to be used, in a step-by-step, sequential manner.

“a linear medium”

(of leaves) Long and narrow, with nearly parallel sides.

Of or relating to a class of polynomial of the form y = ax + b .

A type of length measurement involving only one spatial dimension (as opposed to area or volume).

“a linear meter”