homology
Definition from Wiktionary, a free dictionary
Contents |
[edit] English
[edit] Noun
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Singular |
Plural |
homology (plural homologies)
- A homologous relationship
- (biology) A correspondence of structures in two life forms with a common evolutionary origin, such as flippers and hands.
- (chemistry) The relationship between the elements in the same group of the periodic table, or between organic compounds in a homologous series
- (mathematics) A theory associating a system of quotient groups to each topological space
- (mathematics) A system of quotient groups associated to a topological space
- (genetics) The presence of the same series of bases in related genes
[edit] Usage notes
- Like many terms that start with a voiced h and have emphasis on their second syllable, some people precede homology with an, others with a.