having the same relation, relative position, or structure, in particular (位置、结构)相应的,尤指 ■(Biology)(of organs) similar in position, structure, and evolutionary origin but not necessarily in function (生)(器官)同源的(位置、结构、生物起源相似,但功能不一定相似)。 常与 analogous 相对 a seal's flipper is homologous with the human arm. 海豹的鳍状肢与人的胳膊是同源的。 ■(Biology)(of chromosomes) pairing at meiosis and having the same structural features and pattern of genes (生)(染色体)同源的 ■(Chemistry)(of a series of chemical compounds) having the same functional group but differing in composition by a fixed group of atoms (化)(一系列化合物)同系的
派生 homology noun 语源
mid 17th cent.: via medieval Latin from Greek homologos 'agreeing, consistent', from homos 'same' + logos 'ratio, proportion'