形容詞 homologous:

1. having the same evolutionary origin but serving different functions
2. corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species

ho.mol.o.gous

adj.（形容詞）
Corresponding or similar in position, value, structure, or function.
在位置，價值，結構或功能上，相應或相似
Biology Similar in structure and evolutionary origin, though not necessarily in function, as the flippers of a seal and the hands of a human being.
【生物學】 同源的：在結構和進化起源上相似，盡管功能不一定相似，象海豹的鰭狀肢和人手
Immunology Relating to the correspondence between an antigen and the antibody produced in response to it.
【免疫學】 同源的：與抗原和對其反應產(chǎn)生的抗體同的對應現(xiàn)象有關的
Genetics Having the same morphology and linear sequence of gene loci as another chromosome.
【遺傳學】 同源的：與另一個染色體在遺傳座位組合和其可見結構上一致的
Chemistry Belonging to or being a series of organic compounds each successive member of which differs from the preceding member by a constant increment, especially by an added CH2 group.
【化學】 同系列的，同周期的：屬于或是一系列有機化合物的，其中每一節(jié)都比相連的前一節(jié)增加一常量，尤其是CH2組

來源：
From Greek homologos [agreeing]
源自 希臘語 homologos [一致的]
homo- [homo-]
homo- [同，似，前綴]
logos [word, proportion] * see leg-
logos [單詞，比例] *參見 leg-