Invalidation is valid Scrabble Word

Is invalidation a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is invalidation valid Words with Friends?
Words with Friends YES

12 letters word
16 points in Scrabble
20 points in WWF

Definitions for INVALIDATION in dictionary:

VERB:

make or prove (an argument, statement, or theory) unsound or erroneous.
deprive (an official document or procedure) of legal validity because it contravenes a regulation or law

NOUN:

the act of invalidating
The act of inavlidating, or the state of being invalidated.
(law) a formal termination (of a relationship or a judicial proceeding etc)

OTHER DEFINITIONS:

to make invalid; to weaken or destroy the cogency of

Words related to INVALIDATION

invalidations17

Find what other words can be done using letters: "invalidation"
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