affine transformation vs affine

affine transformation and affine both are nouns.

Word	Noun	Adjective	Verb	Adverb
affine transformation	Yes	No	No	No
affine	Yes	Yes	No	No

affine transformation (noun)	affine (noun)
(mathematics) a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis	(anthropology) kin by marriage

affine transformation (adjective)	affine (adjective)
	(mathematics) of or pertaining to the geometry of affine transformations
	(anthropology) related by marriage