X, x - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “X, x”

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X, x

noun [C or U] uk   us   /eks/ (plural Xs, X's or x's)

X, x noun [C or U] (LETTER)

the 24th letter of the English alphabet

X, x noun [C or U] (NUMBER)

(also x (plural x's)) the sign used in the Roman system for the number 10

X, x noun [C or U] (VOTE)

used when voting to mark the name of the person that you are choosing

X, x

adjective uk   us   /eks/
used especially in the past to refer to a film or show that is not suitable for people under 18 years old because it contains violence or sex: an X-rated film
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(Definition of X, x from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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