invalidation

From invalidate +‎ -ion or in- +‎ validation.

• (US) IPA^(key): /ɪnˌvæl.əˈdeɪ.ʃən/, /ɪnˌvæl.ɪˈdeɪ.ʃən/

• Audio (US):

  (file)

• Rhymes: -eɪʃən

invalidation (countable and uncountable, plural invalidations)

1. The act of invalidating, or the state of being invalidated

   Synonyms: abrogation, devalidation, nullification; see also Thesaurus:invalidation

From invalider +‎ -ation.

• IPA^(key): /ɛ̃.va.li.da.sjɔ̃/

• Audio (France (Lyon)):

  (file)

invalidation f (plural invalidations)

1. invalidation

• “invalidation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012