What is the meaning of Affine?

Assigning finite values to finite quantities.

Of or pertaining to a function expressible as (where is a linear transformation and is a constant), which, regarded as a transformation, maps parallel lines to parallel lines and finite points to finite points.

Of two materials, having mutual affinity.

A relative by marriage.

To refine.

inflection of affiner:

  1. first/third-person singular present indicative/subjunctive
  2. second-person singular imperative

first/third-person singular present indicative/subjunctive

second-person singular imperative

similar

cognate

related, akin

affine

in-law

nominative/accusative/vocative neuter singular of affīnis

definite natural masculine singular of affin

Source: wiktionary.org