refract vs refractive

refract is not an adjective while refractive is an adjective.

Word	Noun	Adjective	Verb	Adverb
refract	No	No	Yes	No
refractive	No	Yes	No	No

refract (adjective)	refractive (adjective)
	of or relating to or capable of refraction
	capable of changing the direction (of a light or sound wave)

refract (verb)	refractive (verb)
determine the refracting power of (a lens)
subject to refraction