Relationship by marriage (as between a husband and his wife's blood relations, or between a wife and her husband's blood relations); -- in contradistinction to consanguinity, or relationship by blood; -- followed by with, to, or between.

Kinship generally; close agreement; relation; conformity; resemblance; connection; as, the affinity of sounds, of colors, or of languages.

That attraction which takes place, at an insensible distance, between the heterogeneous particles of bodies, and unites them to form chemical compounds; chemism; chemical or elective affinity or attraction.

A superior spiritual relationship or attraction held to exist sometimes between persons, esp. persons of the opposite sex; also, the man or woman who exerts such psychical or spiritual attraction.

Measurement of binding strength between two biological molecules.

A measure of the strength of binding of one molecule to another e.g. of a ligand to a receptor or a substrate to an enzyme.

a measure of the attraction of one molecule to another.

Capacity for binding between two molecular units that leads to a more or less stable chemical combination.

A relation between species or higher groups dependent on resemblance in the whole plan of structure, and indicating community of origin.

(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts; "in anatomical structure prehistoric man shows close affinity with modern humans"

inherent resemblance between persons or things

The Quantitative Expression Of Substantiality. It Is The Difference Between The Chemical Potential Of The Dye In Its Standard State In The Fibre And The Corresponding Chemical Potential In The Dye bath.

How readily a garment or fabric reacts with dye.

The tendency for two elements or substances to combine chemically. An example is the affinity of acid dyes for nylon fiber.

The degree to which persons like or appreciate one another.

Degree of liking or affection or lack of it. (This is often expressed as an emotion/enthusiasm towards a person betokens more affinity than apathy.)

the degree of liking or affection or lack of it. It is the feeling of love or liking for something or someone.