from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A natural attraction, liking, or feeling of kinship.
- n. Relationship by marriage.
- n. An inherent similarity between persons or things. See Synonyms at likeness.
- n. Biology A relationship or resemblance in structure between species that suggests a common origin.
- n. Immunology The attraction between an antigen and an antibody.
- n. Chemistry An attraction or force between particles that causes them to combine.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A natural attraction or feeling of kinship to a person or thing.
- n. A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity. (e.g. sister).
- n. A kinsman or kinswoman of such relationship. Affinal kinsman or kinswoman.
- n. The fact of and manner in which something is related to another.
- n. Any romantic relationship.
- n. Any passionate love for something.
- n. resemblances between biological populations; resemblances that suggest that they are of a common origin, type or stock.
- n. structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
- n. An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds
- n. The attraction between an antibody and an antigen
- n. tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. Kinship generally; close agreement; relation; conformity; resemblance; connection.
- n. Companionship; acquaintance.
- n. 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.
- n. A relation between species or higher groups dependent on resemblance in the whole plan of structure, and indicating community of origin.
- n. 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.
from The Century Dictionary and Cyclopedia
- n. An artificial relationship between persons of different blood, regarded as analogous to consanguinity; the relation between families or individuals created by intermarriage (excluding that between the married persons), by legal adoption, or by sponsorship; more especially, the relation between a husband or wife and the kindred of the other spouse.
- n. Intercourse; acquaintance; companionship.
- n. Hence A natural liking for, or attraction to, a person or thing; a natural drawing or inclination; an inherent mutual liking or attraction.
- n. Inherent likeness or agreement as between things; essential or specific conformity; intimate resemblance or connection.
- n. In chem., that force by which the atoms of bodies of dissimilar nature unite in certain definite proportions to form a compound different in its nature from any of its constituents: called distinctively chemical or elective affinity.
- n. In biology, morphological and implied genetic relationship, resulting in a resemblance in general plan or structure, or in the essential structural parts, existing between two organisms or groups of organisms; true and near structural relationship, predicable of two or more organisms morphologically related, however diverse physiologically.
- n. In psychology, that in ideas which renders them capable of being associated in the mind, as their similarity or coadjacency.
- n. In geometry, the relationship between two figures in the same plane which correspond to each other, point to point and straight line to straight line, any point of the one lying in a fixed direction from the corresponding point of the other, and at a distance from it proportional to its distance from a fixed line, called the axis of affinity, the direction of which is that of lines joining corresponding points.
- n. In projective geometry, a perspective of which the center is at an infinite distance.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a close connection marked by community of interests or similarity in nature or character
- n. (anthropology) kinship by marriage or adoption; not a blood relationship
- n. (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts
- n. the force attracting atoms to each other and binding them together in a molecule
- n. inherent resemblance between persons or things
- n. (immunology) the attraction between an antigen and an antibody
- n. a natural attraction or feeling of kinship
Middle English affinite, from Old French afinite, from Latin affīnitās, from affīnis, related by marriage; see affined.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French affinité. (Wiktionary)