| 释义 |
retral, a.|ˈriːtrəl|
[f. L. retrō backwards + -al1.]
1. Posterior; situated at or towards the back; directed backwards.
1875Encycl. Brit. III. 705/1 Beneath the retral ethmoidal spike is seen the olfactory groove. 1881Jrnl. Microsc. Sci. Jan. 66 Septal ridges and retral bars forming a coarse..raised network.
2. Taking a backward direction.
1885American Assoc. Advanc. Science XXXIV. 211 The special pull caused a slight retral slipping of the tidal crust.
Hence ˈretrally adv.
1841Proc. Berw. Nat. Club I. No. 9. 273 Peristome incomplete retrally. |