Definition of homologies:
(n) :
The relationship of being homologous; a homologous relationship.
(n) :
(chemistry) The relationship, between elements, of being in the same group of the periodic table.
(n) :
(organic chemistry) The relationship, between organic compounds, of being in the same homologous series.
(n) :
(biology, psychology) The relationship, between characteristics or behaviours, of having a shared evolutionary or developmental origin;
(n) :
(genetics) The presence of the same series of bases in different but related genes.
(n) :
(anthropology) The relationship, between temporally separated human beliefs, practices or artefacts, of possessing shared characteristics attributed to genetic or historical links to a common ancestor.