(finance) A credit card made available by a bank or other lender to qualified people associated with a sponsoring organization (such as a club, educational institution, charity, or business), typically with provision for a portion of the lender's interest income to be paid to the sponsor and sometimes providing special benefits (such as reduced fees) for the users.

plural of affinity fraud

plural of affinity card

plural of affine variety

plural of affine combination

plural of affine geometry

(geometry) Said of a set of points in an affine space: the property that the vectors issuing from an arbitrarily chosen point to the rest of the points are linearly independent.

(chemistry, obsolete) The tendency of a substance to combine with some specific substances more readily than others. / (dated) The feeling of being attracted to or sympathetic with someone or something.

(differential geometry) A type of differential geometry in which the differential invariants studied are invariant under volume-preserving affine transformations.