chemical affinity
(redirected from Affinity (chemistry))Also found in: Encyclopedia.
chemical affinity
Etymology: Gk, chemeia, alchemy; L, affinis, related
1 an attraction that results in the formation of molecules from atoms.
2 an attraction between chemicals caused by polarity, as used in affinity chromatography.
chemical affinity
The force causing certain atoms to combine with others to form molecules.
See: chemoreceptorSee also: affinity