homology
[ huh-mol-uh-jee, hoh- ]
/ həˈmɒl ə dʒi, hoʊ- /
noun, plural ho·mol·o·gies.
the state of being homologous; homologous relation or correspondence.
Biology.
- a fundamental similarity based on common descent.
- a structural similarity of two segments of one animal based on a common developmental origin.
Chemistry.
the similarity of organic compounds of a series in which each member differs from its adjacent compounds by a fixed increment, as by CH2.
Mathematics.
a classification of figures according to certain topological properties.
Origin of homology
Words nearby homology
Example sentences from the Web for homology
Homology is still determined by position, by connections, in the embryo as in the adult.
Form and Function |E. S. (Edward Stuart) Russell
British Dictionary definitions for homology
homology
/ (həʊˈmɒlədʒɪ) /
noun plural -gies
the condition of being homologous
chem
the similarities in chemical behaviour shown by members of a homologous series
zoology
the measurable likenesses between animals, as used in grouping them according to the theory of cladistics
Word Origin for homology
C17: from Greek
homologia agreement, from
homologos agreeing; see
homologate
Scientific definitions for homology
homology
[ hə-mŏl′ə-jē ]
A homologous relationship or correspondence.
The relation of the chemical elements of a periodic family or group.
The relation of the organic compounds forming a homologous series.
A topological classification of configurations into distinct types that imposes an algebraic structure or hierarchy on families of geometric figures.