VALIDITY


Meaning of VALIDITY in English

/ vəˈlɪdəti; NAmE / noun [ U ]

1.

the state of being legally or officially acceptable :

The period of validity of the agreement has expired.

2.

the state of being logical and true :

We had doubts about the validity of their argument.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.