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# definition of the word affine

by the Wiktionnary

affine (comparative more affine, superlative most affine)

 Positive affine Comparative more affine Superlative most affine
1. (mathematics) Assigning finite values to finite quantities.
2. (mathematics) Describing a function expressible as $f(\vec x)= A \vec x + \vec b$ (which is not linear, but is similar).
3. (mathematics) Of or pertaining to a transformation that maps parallel lines to parallel lines and finite points to finite points.
4. (comparable, chemistry) Having mutual affinity, of two materials.

 Definition from WiktionaryContent avaible with GNU Free Documentation License