Definition of X

1. Noun. The cardinal number that is the sum of nine and one; the base of the decimal system.

Exact synonyms: 10, Decade, Ten, Tenner
Generic synonyms: Large Integer



2. Adjective. Being one more than nine.
Exact synonyms: 10, Ten
Similar to: Cardinal

3. Noun. The 24th letter of the Roman alphabet.
Exact synonyms: Ex
Group relationships: Latin Alphabet, Roman Alphabet
Generic synonyms: Alphabetic Character, Letter, Letter Of The Alphabet

4. Noun. Street names for methylenedioxymethamphetamine.

Definition of X

1. Cardinal number. An unknown quantity or unknown value. ¹

2. Letter. (Latn-def en letter 24 ex) ¹

3. Noun. Any mark that looks like that letter, such as such a mark made by a person who cannot read or write, in lieu of a signature. ¹

4. Noun. (lacrosse) The spot behind the goal. ¹

5. Noun. (slang) Ecstasy, a particular street drug. ¹

6. Adjective. (context: Former British film certificate) Suitable only for those aged 16 or (later) 18 years and over. ¹

7. Adjective. (context: movie rating) Obscene. ¹

8. Abbreviation. (informal) Christ ¹

9. Abbreviation. (North America) cross, crossing ¹

10. Letter. (Latn-def en letter 24 ex) ¹

¹ Source: wiktionary.com

Medical Definition of X

1. Although the letter X is used as a symbol in various ways (such as X-rays, the x-axis of a graph, etc.), today the x usually refers to the x chromosome. (12 Dec 1998)

X Pictures

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Lexicographical Neighbors of X

Wyler
Wylie
Wynette
Wynfrith
Wynnea
Wynnea americana
Wyo.
Wyoming
Wyomingite
Wyomingites
Wyrd
Wystan Hugh Auden
Wyszynski
Wytensin
X
X's
X's and O's
X-Acto
X-OR circuit
X-Phile
X-Philes
X-Pro aminopeptidase
X-SAMPA
X-SCID
X-Verse
X-bar
X-bar theory
X-box
X-boxes

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