linear
//ˈlɪniər//
Adjective
1
Arranged in or extending along a straight or nearly straight line
The trees were planted in a linear arrangement along the road.
2
Involving one dimension only; relating to length
Linear measurements include length, width, and height.
3
Progressing from one stage to another in a single series of steps; sequential
The course follows a linear progression from basic to advanced topics.
4
In mathematics, of or relating to a function or equation whose graph is a straight line
A linear equation can be written in the form y = mx + b.