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1

x

play
noun, often capitalized often attributive \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

Source: Merriam-Webster's Learner's Dictionary

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 in a sentence

  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


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



Rhymes with x

dex, ex, flex, hex, lex, rex, sex, specs, vex


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



X Defined for Kids

noun , often cap \ˈeks\

Definition of x for Students

plural

x's

or

xs

\ˈek-səz\
  1. 1 :  the 24th letter of the English alphabet

  2. 2 :  ten in Roman numerals

  3. 3 :  an unknown quantity <What is the value of x in the equation x + 2 = 6?>




Medical Dictionary

noun \ˈeks\

Medical Definition of x

plural

x's

or

xs

or

x'es

or

xes

\ˈek-səz\play
  1. :  the basic or monoploid number of chromosomes of a polyploid series :  the number contained in a single genome—compare n 1




x

symbol

Medical Definition of x

  1. 1 capitalized halogen atom—used in general formulas (as of trihalomethane CHX3)

  2. 2power of magnification




Law Dictionary

1

x

play
noun , often cap \ˈeks\

Legal Definition of x

  1. 1 :  a mark used in place of a signature when the maker is incapable of signing his or her name (as because of illiteracy or a physical ailment)

  2. 2 :  a mark used in indicating a choice or applicable item (as on an insurance form)




2

x

abbreviation

Legal Definition of x

  1. 1 ex-distribution

  2. 2 ex-dividend

  3. 3 ex-rights

  4. 4 ex-warrants




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