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Meaning of “valid” - Learner’s Dictionary

valid

adjective     /ˈvælɪd/
GOOD REASONS
B2 based on good reasons or facts that are true: a valid argument Suitable and acceptableQuite good, or not very good
DOCUMENT
B2 A valid ticket or document is legally acceptable: The ticket is valid for three months. →  Opposite invalid Allowing and permittingLegal and illegal
validity     /vəˈlɪdəti/ noun [U]
(Definition of valid from the Cambridge Learner’s Dictionary © Cambridge University Press)
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A bunch of stuff about plurals
A bunch of stuff about plurals
by ,
May 24, 2016
by Colin McIntosh One of the many ways in which English differs from other languages is its use of uncountable nouns to talk about collections of objects: as well as never being used in the plural, they’re never used with a or an. Examples are furniture (plural in German and many other languages), cutlery (plural in Italian), and

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