x

1
[ eks ]
/ ɛks /

verb (used with object), x-ed or x'd [ekst], /ɛkst/, x-ing or x'ing [ek-sing]. /ˈɛk sɪŋ/.

to cross out or mark with or as if with an x (often followed by out): to x out an error.
to indicate choice, as on a ballot or examination (often followed by in): to x in the candidate of your choice.

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Origin of x

1
First recorded in 1840–50

Definition for x (2 of 6)

x2

abbreviation

Stock Exchange.
  1. (of stock trading) ex dividend.
  2. (of bond trading) ex interest.

Definition for x (3 of 6)

x3

Symbol.

Definition for x (4 of 6)

X1

or x

[ eks ]
/ ɛks /

noun, plural X's or Xs, x's or xs.

the 24th letter of the English alphabet, a consonant.
any spoken sound or combination of sounds represented by the letter X or x, as in xylene, box, or exact.
something having the shape of an X.
a written or printed representation of the letter X or x.
a device, as a printer's type, for reproducing the letter X or x.

Definition for x (5 of 6)

X2

abbreviation

experimental.
extra.
extraordinary.

Definition for x (6 of 6)

X3

Symbol.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for x

British Dictionary definitions for x (1 of 3)

x

X

/ (ɛks) /

noun plural x's, X's or Xs

the 24th letter and 19th consonant of the modern English alphabet
a speech sound sequence represented by this letter, in English pronounced as ks or gz or, in initial position, z, as in xylophone

British Dictionary definitions for x (2 of 3)

x

symbol for

commerce banking finance ex
maths the x- axis or a coordinate measured along the x- axis in a Cartesian coordinate system
an algebraic variable

British Dictionary definitions for x (3 of 3)

X

symbol for

Word Origin for X

(sense 6) from the form of the Greek letter khi (Χ), first letter of Khristos Christ
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012