affinity
af*fin*i*ty
noun
{bc}relationship by marriage
affinity
adjective
{bc}of, relating to, involving, or used in {d_link|affinity chromatography|affinity chromatography}
affinity card
noun
{bc}a credit card which is issued in affiliation with a participating organization (such as a charity or an airline) and the use of which earns a benefit for the organization or the cardholder
affinity chromatography
noun
{bc}chromatography in which a macromolecule (such as a protein) is isolated and purified by passing it in solution through a column treated with a substance having a ligand for which the macromolecule has an affinity that causes it to be retained on the column
affinity group
noun
{bc}a group of people having a common interest or goal or acting together for a specific purpose (as for a chartered tour)