validityEnglishOxford Dictionary of Englishvalidity /vəˈlɪdɪti / ▸ noun [mass noun] the quality of being logically or factually sound; soundness or cogency: one might question the validity of our data. ▪ the state of being legally or officially binding or acceptable: return travel must be within the validity of the ticket.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English