(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 reagent

(biochemistry) An antibody, peptide, nucleic acid, or other small molecule that specifically binds to a larger target molecule in order to identify, track, capture, or influence its activity.

(mathematics) The condition of a fractal whose pieces are scaled by different amounts in the x and y directions, so that self-similarity becomes apparent only after an anisotropic transformation.

(physics) The energy released when an electron is attached to an atom or molecule; used as a measure of its ability to form an anion

(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.

Fraud whose victims are susceptible because they trust the perpetrator as a member of their circle.

plural of affinity card

(geometry, uncountable) The branch of geometry dealing with what can be deduced in Euclidean geometry when the notions of line length and angle size are ignored.