X¹

(ĕks)

A movie rating indicating that admission will not be granted to anyone under the age of 17.

X²

1. The symbol for reactance.

2. also x The symbol for the Roman numeral 10.

3. A symbol for the word cross. Used in combination, as in Xing for crossing or motoX for motocross.

X³

abbr.

1. Christ (Greek Χριστος, Khristos)

2. Christian

3. or x ex

4. ex dividend

5. or x experimental

6. extra

a. extreme

b. extremely

x¹

or X (ĕks)

n. pl. x's or X's also xs or Xs

1. The 24th letter of the modern English alphabet.

2. Any of the speech sounds represented by the letter x.

3. The 24th in a series.

4. Something shaped like the letter X.

5. A mark inscribed to represent the signature of one who is unable to sign one's name.

6. An unknown or unnamed factor, thing, or person.

tr.v. x'd, x'ing, x's or X'd or X'ing or X's

1. To mark or sign with an X.

2. To delete, cancel, or obliterate with a series of X's. Often used with out.

x²

The symbol for abscissa.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

x

(ɛks) or

X

n, pl x's, X's or Xs

1. (Linguistics) the 24th letter and 19th consonant of the modern English alphabet

2. (Phonetics & Phonology) a speech sound sequence represented by this letter, in English pronounced as ks or gz or, in initial position, z, as in xylophone

x

symbol for

1. (Commerce) commerce banking finance ex

2. (Banking & Finance) commerce banking finance ex

3. (Mathematics) maths the x-axis or a coordinate measured along the x-axis in a Cartesian coordinate system

4. (Mathematics) an algebraic variable

X

symbol for

1. (Film) (formerly, in Britain)

a. indicating a film that may not be publicly shown to anyone under 18. Since 1982 replaced by symbol 18

b. (as modifier): an X film.

2. denoting any unknown, unspecified, or variable factor, number, person, or thing

3. (Printing, Lithography & Bookbinding) (on letters, cards, etc) denoting a kiss

4. (Government, Politics & Diplomacy) (on ballot papers, etc) indicating choice

5. (Education) (on examination papers, etc) indicating error

6. (Ecclesiastical Terms) for Christ; Christian

7. (Mathematics) (Roman numeral)ten. See Roman numerals

[(sense 6) from the form of the Greek letter khi (Χ), first letter of Khristos Christ]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

X, x

(ɛks)

n., pl. Xs X's, xs x's.

1. the 24th letter of the English alphabet, a consonant.

2. any spoken sound represented by this letter.

3. something shaped like an X.

4. a written or printed representation of the letter X or x.

x

(ɛks)

v.t. x-ed x'd (ɛkst) x-ing x'ing (ˈɛk sɪŋ)

1. to cross out or mark with an x (often fol. by out): to x out an error.

2. to indicate choice, as on a ballot or examination (often fol. by in): to x in the candidate of your choice.

[1840–50]

X

1. experimental.

2. extra.

3. Slang. ecstasy (def. 5).

X

Symbol.

1. the 24th in order or in a series.

2. (sometimes l.c.) the Roman numeral for 10. Compare Roman numerals.

3. Christ.

4. Christian.

5. cross.

6. reactance.

a. a motion-picture rating applied to sexually graphic or explicit films.

b. (formerly) such a rating advising that persons under the age of 17 would not be admitted to the film.

Compare G (def. 2), NC-17, PG, PG-13, R (def. 4).

8. a person, thing, agency, factor, etc., of unknown identity.

9. Chem. (formerly) xenon.

x

1. ex ¹ (def. 1).

2. experimental.

3. extra.

x

Symbol.

1. an unknown quantity or a variable.

2. (used at the end of letters, telegrams, etc., to indicate a kiss.)

3. (used to indicate multiplication) times: 8 x 8 = 64.

4. (used between figures indicating dimensions) by: 3〃x 4〃 (read: “three inches by four inches”).

5. power of magnification: a 50x telescope.

6. (used as a signature by an illiterate person.)

7. cross.

8. (used to indicate a particular place or point on a map or diagram.)

9. (used to indicate choice, as on a ballot or examination.)

10. (used to indicate an error or incorrect answer, as on a test.)

11. a person or thing of unknown identity.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	X - the cardinal number that is the sum of nine and one; the base of the decimal system 10, ten, tenner, decade large integer - an integer equal to or greater than ten
	2.	x - the 24th letter of the Roman alphabet ex Latin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters"
	3.	X - street names for methylenedioxymethamphetamine cristal, disco biscuit, hug drug, XTC, go, Adam, ecstasy MDMA, methylenedioxymethamphetamine - a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States; "MDMA is often used at parties because it enables partygoers to remain active for long periods of time"
Adj.	1.	x - being one more than nine 10, ten cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"

x

verb

To remove or invalidate by or as if by running a line through or wiping clean.Also used with out:

annul, blot (out), cancel, cross (off or out), delete, efface, erase, expunge, obliterate, rub (out), scratch (out), strike (out), undo, wipe (out).

Law: vacate.

Translations

X

x [eks]

A. N (= letter) (also Math) → X, x f
if you have X dollars a year → si uno tiene X dólares al año
for X number of years → durante X años
X marks the spot → el sitio está señalado con una X
X for Xmas → X de Xiquena

B. CPD X chromosome N → cromosoma m X

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

X

x [ˈɛks] n

(= letter) → X m, x m
X for Xmas → X comme Xavier

(in measurements) (= by) → X
It measures 13m x 4m → Ça fait 13m X 4.

(for unspecified person, thing, number) → X m
Dr. X → Dr X.

(MATHEMATICS) (in equation) → x m

(at end of a letter) (= kiss) croix marquée en signe d'affection à la fin d'une lettre

(on map) → croix f
X marks the spot → L'endroit est marqué d'une croix.X chromosome n → chromosome m X

X

, x

→ X nt, → x nt

(Math, fig) → x; Mr X → Herr X; X pounds → x Pfund; X marks the spot → die Stelle ist mit einem Kreuzchen gekennzeichnet

(dated Brit) X-certificate film → für Jugendliche nicht geeigneter Film, für Jugendliche ab 18 Jahren freigegebener Film

X

(esp US sl) abbr of ecstasy → Ecstasy nt

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

X

x [ɛks] n (letter, Math) → X, x f or m inv
X for Xmas → X come Xeres
if you have x dollars a year → se hai x dollari all'anno
x marks the spot → il punto è segnato con una croce

X

X 1

X 2

X 3

x 1

x 2

x

X

x

X

X, x

x

X

X

x

x

x

X

X

X

X

X

X¹

X²

X³

x¹

x²