ho·mol·o·gy (hə-mŏlə-jē, hō-)
n. pl. ho·mol·o·gies
1. The quality or condition of being homologous.
2. A homologous relationship or correspondence.
a. The relation of the elements of a periodic family or group.
b. The relation of the organic compounds forming a homologous series.
4. Mathematics A topological classification of configurations into distinct types that imposes an algebraic structure or hierarchy on families of geometric figures.
[Greek homologiā, agreement, from homologos, agreeing; see HOMOLOGOUS.]
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