X Definition

ĕks
x
noun
The twenty-fourth letter of the English alphabet: from a western form of the Greek alphabet.
Webster's New World
Any of the speech sounds that this letter represents, as, in English, the (ks) of lax, (gz) of exact, (k) of anxious, (g) of luxurious, or (z) of xylophone.
Webster's New World
A type or impression for x or X.
Webster's New World
The 24th in a series.
American Heritage
The twenty-fourth in a sequence or group.
Webster's New World
Synonyms:
verb
To indicate (one's choice or answer) by or as by marking with an X.
Webster's New World
To mark or sign with an X.
American Heritage
To delete or cancel (written or printed matter) with or as with one or more X's.
Webster's New World
Synonyms:
abbreviation
Christ (Greek Χρɩστος, Khristos )
American Heritage
Christian.
American Heritage
Ex.
American Heritage
Extra.
Webster's New World
Ex dividend.
American Heritage
adjective
Of x or X.
Webster's New World
Twenty-fourth in a sequence or group.
Webster's New World
Shaped like X.
Webster's New World
Synonyms:
symbol
By (in indicating dimensions)
3 ft x 4 ft.
Webster's New World
The power of magnification (in optical instruments)
Webster's New World
Times.
Webster's New World
Christ.
Webster's New World
Crossed with.
Webster's New World
letter

The twenty-fourth letter of the English alphabet, called ex and written in the Latin script.

Wiktionary
conjuntion

(fandom slang) Used between the names of two characters to denote a ship, particularly in anime, manga, and video games.

Wiktionary
suffix
Forms plurals of ‘u’-terminal nouns (and, very rarely, some others), chiefly of French origin.
Wiktionary

(slang) Used to replace a -ks- sound, as in hax (hacks), punx (punks), pix (pics).

Wiktionary
prefix
Prefix used for CCITT-ratified (UN) international telecom standards on e-mail.
Wiktionary
pronoun

(computing) Any of a family of instruction set architectures based on the Intel 8086 microprocessor.

Wiktionary
idiom
X's and O's
  • the basic elements of a specified field of work, knowledge, etc.; often, specif., the plays and strategies used in a particular sport
Webster's New World

Idioms, Phrasal Verbs Related to X

Origin of X

  • X is prototypically pronounced [ks] in English; it therefore serves as a convenient shorthand for the digraphs (cs, ks, etc.) or trigraphs (cks etc.) that would otherwise represent that consonant cluster.

    From Wiktionary

  • The x functions as a wildcard; many similar processors also had names ending in 86.

    From Wiktionary

  • From the French plural suffix -x.

    From Wiktionary

X Sentence Examples

  • The words ascribed to Christ in Luke x.

  • The swellings have been found to be due to a curious hypertrophy of the tissue of the part, the cells being filled with an immense number of minute bacterium-like organisms of V, X or Y shape.

  • It will be seen that (1) the increase in equivalent volume is about 6.6; (2) all the topic parameters are increased; (3) the greatest increase is effected in the parameters x and tG, which are equally lengthened.

  • Multiplying out the right-hand side and comparing coefficients X1 = (1)x1, X 2 = (2) x2+(12)x1, X3 = (3)x3+(21)x2x1+ (13)x1, X4 = (4) x 4+(31) x 3 x 1+(22) x 2+(212) x2x 1 +(14)x1, Pt P2 P3 P1 P2 P3 Xm=?i(m l m 2 m 3 ...)xmlxm2xm3..., the summation being for all partitions of m.

  • Such curves are given by the equation x 2 - y 2 = ax 4 -1bx 2 y 2 +cy 4 .

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