What is the meaning of Affin?

affine (all senses)

affine

affine

affine

affine (of two materials, having mutual affinity, able to form bonds)

off

affine; describing a function expressible as f(x)=ax+b (which is not linear, but is similar)

affine; of or pertaining to a transformation that maps parallel lines to parallel lines and finite points to finite points.

Source: wiktionary.org