X

X ¹  (ks)

n.

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

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X ²

1. The symbol for reactance.

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

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X ³

abbr.

1. Christ (Greek , Christos)

2. Christian

3. or x experimental

4. extra

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x ¹ or X  (ks)

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

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x ²

The symbol for abscissa.

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x Maths

1. (along with y and z) an unknown quantity

2. the multiplication symbol

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X

1. indicating an error, a choice, or a kiss

2. indicating an unknown, unspecified, or variable factor, person, or thing: Miss X

3. the Roman numeral for ten

4. (formerly) indicating a film that may not be publicly shown to anyone under 18: since 1982 replaced by symbol 18

Thesaurus

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"

Translations

X, x [eks] n (letter) → X, x f;

(BRIT) (CINE) (formerly) → no apto para menores de 18 años;

X for Xmas → X de Xiquena;

if you earn X dollars a year → si ganas X dólares al año

X, x [ɛks] n (= letter) → X, x m;

(Brit) (Cine) (formerly) → film interdit aux moins de 18 ans;

X for Xmas → X comme Xavier

X, x [ɛks] n (letter) → X nt, x nt;

(Brit) (Cine) (formerly) → Klassifikation für nicht jugendfreie Filme;

X for Xmas → X wie Xanthippe

X, x [ɛks] n (letter) → X, x f or m inv;

(BRIT ) (CINE) (old) → film vietato ai minori di 18 anni;

X for Xmas → X come Xeres