| 释义 |
preˈmedial, præ-, a. (n.)
[f. pre- B. 3 + medial.]
Situated in front of the medial line or position. So preˈmedian a.
1852Dana Crust. i. 246 The præmedial and extramedial [areolets] are usually coalescent. Ibid. 334 Præmedian margin abrupt. Ibid. 343 Breadth [of carapax] to præmedials, about one line. |