· designating or involving an equation whose terms are of the first degree
Synonym(s): additive
Antonym(s): nonlinear
· of or in or along or relating to a line; involving or having a single dimension; "a linear measurement"
Synonym(s): one-dimensional
· of a circuit or device having an output that is proportional to the input; "analogue device"; "linear amplifier"
· (of a leaf shape) long and narrow
Synonym(s): elongate
· measured lengthwise; "cost of lumber per running foot"
Synonym(s): running