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1

x

play
noun \ˈeks\

Simple Definition of x

  • : the 24th letter of the English alphabet

  • : the Roman numeral that means 10

  • mathematics —used to represent an unknown quantity

Full Definition of x

plural x's or xs play \ˈek-səz\

  1. 1 a :  the 24th letter of the English alphabet b :  a graphic representation of this letter c :  a speech counterpart of orthographic x

  2. 2 :  ten — see number table

  3. 3 :  a graphic device for reproducing the letter x

  4. 4 :  one designated x especially as the 24th in order or class, or the first in an order or class that includes x, y, and sometimes z

  5. 5 :  an unknown quantity

  6. 6 :  something shaped like or marked with the letter X

Examples of x

  1. a word that starts with an x

  2. a word that starts with x



Before 12th Century

First Known Use of x

before 12th century

Rhymes with x


2

x

verb

Definition of x

x–ed also x'd or xed play \ˈekst\ x–ing or x'ing play \ˈek-siŋ\

  1. transitive verb
  2. 1 :  to mark with an x

  3. 2 :  to cancel or obliterate with a series of x's —usually used with out <x-ed out the mistake>



Circa 1849

First Known Use of x

circa 1849


3

x

abbreviation

Definition of x

  1. 1 cross

  2. 2 ex

  3. 3 experimental

  4. 4 extra




adjective \ˈeks\

Definition of X

of a motion picture

  1. :  of such a nature that admission is denied to persons under a specified age (as 17) —used before the adoption of NC-17



1970

First Known Use of x

1970



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