nonlinear vs linear

nonlinear and linear both are adjectives.

Word	Noun	Adjective	Verb	Adverb
nonlinear	No	Yes	No	No
linear	No	Yes	No	No

nonlinear (adjective)	linear (adjective)
designating or involving an equation whose terms are not of the first degree	of or in or along or relating to a line; involving or having a single dimension
	designating or involving an equation whose terms are of the first degree
	of a circuit or device having an output that is proportional to the input
	measured lengthwise
	(of a leaf shape) long and narrow