Meaning of “x” in the English Dictionary

"x" in British English

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xnoun

uk /eks/ us /eks/

xverb [ T ]

uk /eks/ us /eks/ present tense x's, present participle x'ing, past tense and past participle x'ed US

(Definition of “x” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"x" in American English

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xnoun [ U ]

us /eks/ also X

used to represent a number, or the name of person or thing, that is not known or stated:

If 2x = 8, then x = 4.

Xnoun [ C ]

plural X’s, Xs, x’s or xs also x us /eks/

X noun [ C ] (LETTER)

the 24th letter of the English alphabet

Xnumber

also x us /eks, ten/

X number (NUMBER)

the Roman numeral for the number 10

(Definition of “x” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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