X
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X might refer to:
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For those of you in the mood, RationalWiki has a fun article about X. |
- X,
a letter of the roman alphabet. Very similar in appearance to the Greek letter Χ (chi)
(not to be confused with Ξ (xi)),
the Cyrillic letter Х (kha),
and the Phoenician letter taw.
- X-Mas, where the "X" is from the Greek letter chi, abbreviating the word for Christ, Χριστος.
- X is the Roman numeral
for the number 10.
- In mathematics, x is commonly the name of an independent variable or unknown value. Also typically the horizontal axis in the Cartesian coordinate system.
- Sometimes a typographic approximation
for the multiplication sign
×
. - Placeholder name for something unknown, for example in Planet X, X-Files, and Malcolm X.
- Sometimes used as a gender designator on official documents for nonbinary people.
- Archaic abbreviation for Χριστος (Christ) which lives on in X-Mas.
- X (social media), formerly known as Twitter.
- Indicating pornographic content, as in X-rated, or XXX.
- Fun:X