Definition of affine
(Entry 1 of 2)
: a relative by marriage : in-law
affine
adjectiveDefinition of affine (Entry 2 of 2)
: of, relating to, or being a transformation (such as a translation, a rotation, or a uniform stretching) that carries straight lines into straight lines and parallel lines into parallel lines but may alter distance between points and angles between lines
affine geometry
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Merriam-Webster unabridged
Share affine
Time Traveler for affine
The first known use of affine was circa 1509
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