[mass noun](chiefly Biology)the branch of science concerned with classification, especially of organisms; systematics (主生)(尤指生物)分类学;分类法 ■the classification of something, especially organisms (尤指生物)分类 the taxonomy of these fossils. 这些化石的分类。 ■[count noun]a scheme of classification 分类法 a taxonomy of smells. 气味的分类法。