x Meaning in the Cambridge English Dictionary
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Meaning of “x” in the English Dictionary

"x" in British English

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uk   us   /eks/

x noun (AMOUNT)

[U] used to ​represent a ​number, or the ​name of ​person or thing that is not ​known or ​stated: If 2x = 8, then x = 4. Witness x ​stated that she had ​seen Cooper on ​repeatedoccasions.

x noun (KISS)

[C] (plural x's) used at the end of an ​informalpiece of writing to ​represent a ​kiss: Write ​soon, all my ​love, Katy xxx

x noun (MISTAKE)

[C] (plural x's) written on an ​answer to a ​question to show that the ​answer is not ​correct

xverb [T]

uk   us   /eks/ (present tense x's, present participle x'ing, past tense and past participle x'ed) US
to ​remove something from a ​list: I x'ed out all the ​names of the ​people I wouldn't be ​sendingcards to.
(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 ​Englishalphabet


(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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