Homology

n. analogy, likeness, equality, suitableness

Homology may refer to:Homology (anthropology), analogy between human beliefs, practices or artifacts due to genetic or historical connections.Homology (biology): analogy of structures due to shared ancestry.Homology (mathematics), a procedure to associate a sequence of abelian groups or modules with a given mathematical object.Homology (sociology), a structural 'resonance' between the different elements making up a socio-cultural whole.Homology modeling, a method of protein structure prediction
See more at Wikipedia.org...

Homology the state of being homologous. Refers also to homology of base sequences in different DNA molecules and the similarity between antigen and [more]Homology - Community and Resources

Noun
1. the quality of being similar or corresponding in position or value or structure or function
(hypernym) similarity
(derivation) homologize

(n.)
The quality of being homologous; correspondence; relation; as, the homologyof similar polygons.
  

(n.)
The correspondence or resemblance of substances belonging to the same type or series; a similarity of composition varying by a small, regular difference, and usually attended by a regular variation in physical properties; as, there is an homology between methane, CH4, ethane, C2H6, propane, C3H8, etc., all members of the paraffin series. In an extended sense, the term is applied to the relation between chemical elements of the same group; as, chlorine, bromine, and iodine are said to be in homology with each other. Cf. Heterology.
  

(n.)
Correspondence or relation in type of structure in contradistinction to similarity of function; as, the relation in structure between the leg and arm of a man; or that between the arm of a man, the fore leg of a horse, the wing of a bird, and the fin of a fish, all these organs being modifications of one type of structure.