x

49 ENTRIES FOUND:

1x

noun, often capitalized often attributive \ˈeks\

: the 24th letter of the English alphabet

: the Roman numeral that means 10

mathematics —used to represent an unknown quantity

plural x's or xs \ˈek-səz\

Full Definition of X

1
a :  the 24th letter of the English alphabet
b :  a graphic representation of this letter
c :  a speech counterpart of orthographic x
2
:  ten — see number table
3
:  a graphic device for reproducing the letter x
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
:  an unknown quantity
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

First Known Use of X

before 12th century

Rhymes with X

2x

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

Definition of X

transitive verb
1
:  to mark with an x
2
:  to cancel or obliterate with a series of x's —usually used with out <x-ed out the mistake>

First Known Use of X

circa 1849

3x

abbreviation

Definition of X

1
cross
2
ex
3
experimental
4
extra

Other Physics Terms

amplitude, centrifugal, centripetal, convection, gradient, hysteresis, kinetic, lase, quantum

X

adjective \ˈeks\

Definition of X

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

First Known Use of X

1970

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