rectilinear regression rectilinearness • rectilineation · · · Info · Definitions · Synonyms · Characters · · rectilinear regression · · Text Common · · Latin · · Scripts 22 · · Length 7 · · Syllables Definitions · · · (noun) the relation between variables when the regression equation is linear: e.g., y = ax + b. Synonyms: linear regression, rectilinear regression. · · Noun Definition 1 Synonyms · · · linear regression · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074