Read the dictionary definition of linear. All definitions for this word.
1. of a circuit or device having an output that is proportional to the input
1. analogue device
2. linear amplifier
2. of or in or along or relating to a line; involving or having a single dimension
1. a linear measurement
3. designating or involving an equation whose terms are of the first degree
4. measured lengthwise
1. cost of lumber per running foot
5. (of a leaf shape) long and narrow