invalidation
UK/ɪn,vælə'deʃən/US/in.væli'deiʃәn/
B2
Definitions
n.
The act of making something void or nullifying it
使无效；废除
Root Breakdown
Root-derivedinvalidatenot, opposite of
+
-ionstrong, worth, value
=invalidation
The noun of invalidate: the act of cancelling or nullifying.
Example Sentences
- 1.
The invalidation of the results led to a retrial.