Linear (film)
WordNet
adjective
(1) Of a circuit or device having an output that is proportional to the input
"Analogue device"
"Linear amplifier"
(2) Of or in or along or relating to a line; involving a single dimension
"A linear measurement"
(3) Designating or involving an equation whose terms are of the first degree
(4) Measured lengthwise
"Cost of lumber per running foot"
(5) Of a leaf shape; long and narrow