释义 |
intergradation|-grəˈdeɪʃən| [inter- 2 a: cf. next.] The action or fact of passing into, or approximating to, each other by degrees.
1874Trippe in Coues Birds N.W. 145 The intergradation, however, is by no means as perfect as that between the two latter races. 1874Coues Birds N.W. 281 The complete intergradation of the two forms. |