of, characterizing, or involving transformations which preserve collinearity, esp in classical geometry, those of translation, rotation and reflection in an axis
Word origin
C16: via French from Latin affīnis bordering on, related
affine in American English1
(əˈfaɪn; æˈfaɪn)
noun
a person related by marriage
Derived forms
affinal (afˈfinal)
adjective
affine in American English2
(əˈfaɪn; æˈfaɪn)
adjective
Ancient Mathematics
of or having to do with projecting or mapping a geometric figure on a second plane or surface so that the new image retains the original parallel straight lines while being shifted, stretched, etc.