| a. | 1. | (Geom.) Having the same relative position, proportion, value, or structure. | |||
| 2. | (Alg.) Having the same relative proportion or value, as the two antecedents or the two consequents of a proportion.
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| Adj. | 1. | homologous - having the same evolutionary origin but serving different functions; "the wing of a bat and the arm of a man are homologous" Antonyms: analogous - corresponding in function but not in evolutionary origin; "the wings of a bee and those of a hummingbird are analogous" |
| 2. | homologous - corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species; "a homologous tissue graft" Antonyms: autologous - derived from organisms of the selfsame individual; "autologous blood donation" heterologous - derived from organisms of a different but related species; "a heterologous graft" |
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