affine affination • affine connection · · · Info · Definitions · Synonyms · Characters · · affine · · Text Latin · · Script 6 · · Length 2 · · Syllables Definitions · · · (noun) (anthropology) kin by marriage. · · Noun Definition 1 (adj) (mathematics) of or pertaining to the geometry of affine transformations. · · Adjective Definition 1 (adj) (anthropology) related by marriage. Synonyms: affinal. · · Adjective Definition 2 Synonyms · · · affinal · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E