linear: Meaning and Definition of

lin•e•ar

1. of, consisting of, or using lines: linear design.
2. pertaining to or represented by lines: linear dimensions.
3. extended or arranged in a line: a linear series.
4. involving measurement in one dimension only; pertaining to length: linear measure.
5. of or pertaining to the characteristics of a work of art in which forms and rhythms are defined chiefly in terms of line.
6. having the form of or resembling a line: linear nebulae.
7. a linear operation.
1. consisting of, involving, or describable by terms of the first degree.
2. having the same effect on a sum as on each of the summands:a linear operation.
8. delivering an output that is directly proportional to the input: a linear circuit; a linear amplifier.
9. threadlike; narrow and elongated: a linear leaf.