affinity

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affinity

1. similarity in structure, form, etc., between different animals, plants, or languages
2. Chem
a. the tendency for two substances to combine; chemical attraction
b. a measure of the tendency of a chemical reaction to take place expressed in terms of the free energy change.
3. Biology a measure of the degree of interaction between two molecules, such as an antigen and antibody or a hormone and its receptor

Affinity

(religion, spiritualism, and occult)

Astrologers use the term affinity to refer to compatibility between certain planets or signs. It is also used to denote attraction between people whose charts interact harmoniously and magnetically with each other.

affinity

[ə′fin·əd·ē]
(chemistry)
The extent to which a substance or functional group can enter into a chemical reaction with a given agent. Also known as chemical affinity.
(computer science)
A specific relationship between data processing elements that requires one to be used with the other, where a choice might otherwise exist.
(immunology)
The strength of the attractive forces between an antigen and an antibody.
References in periodicals archive ?
The smaller f is the higher level of antibody affinity in solving the minimization problem, which also shows that the particle is nearer away from the optimal particle.
Molecular evolution of antibody affinity for sensitive detection of botulinum neurotoxin type A.
Berkeley where he did pioneering work on the structural basis of antibody affinity maturation.