Reversal

Part of speech: noun (n.)

1. The act of reversing; the causing to move or face in an opposite direction, or to stand or lie in an inverted position; as, the reversal of a rotating wheel; the reversal of objects by a convex lens.

2. A change or overthrowing; as, the reversal of a judgment, which amounts to an official declaration that it is false; the reversal of an attainder, or of an outlawry, by which the sentence is rendered void. Blackstone.

Part of speech: adjective (a.)

Intended to reverse; implying reversal. [Obs.] Bp. Burnet.