| 释义 |
re·ver·sal
\-səl\ noun
(-s)
Etymology: Middle English, from reversen to reverse + -al
1. : an act or the process of reversing: as
a. : a change or overthrowing of some legal proceeding or judgment
< the reversal of an attainder >
b. : the causing to move or face in an opposite direction or to appear in an inverted position
< the reversal of a rotation >
< the reversal of objects by a lens >
c. : a method of testing or determining the collimation (as of a transit) by inverting the telescope in its supports
d. : inversion 2c
e. : an act or instance of going from the defensive position to the position of advantage in amateur wrestling — compare takedown
2.
a. : a conversion in whole or part of a photographic positive into a negative or vice versa
b. : solarization |