x

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1 x noun
or X /ˈɛks/
plural x's or xs or X's or Xs /ˈɛksəz/
1 x
noun
or X /ˈɛks/
plural x's or xs or X's or Xs /ˈɛksəz/
Learner's definition of X
: the 24th letter of the English alphabet
[count]
[noncount]
[noncount] mathematics
used to represent an unknown quantity
used as a symbol for multiplication
[noncount] used as a symbol between the numbers of a measurement
[noncount] : an unknown thing, person, or quantity
[noncount] used in the phrase x, y, and z to refer to the first thing in a group of three unnamed things
[count] used as a mark at the end of a letter, an e-mail, etc., to represent a kiss
[count] used like a signature by a person who cannot write
[count] used on a map or picture to show where someone or something is
10 
[count] used as a mark to show who or what you are voting for or choosing
2 x /ˈɛks/ verb
x–es also x's or xes /ˈɛksəz/ ; x–ed also x'd or xed /ˈɛkst/ ; x–ing or x'ing /ˈɛksɪŋ/
2 x
/ˈɛks/
verb
x–es also x's or xes /ˈɛksəz/ ; x–ed also x'd or xed /ˈɛkst/ ; x–ing or x'ing /ˈɛksɪŋ/
Learner's definition of X

x out

[phrasal verb]
x (something) out or x out (something)
: to draw an x or a series of x's through (something) to show that it is wrong or not wanted
Comments & Questions
Comments & Questions
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