is the Latin letter X with a circumflex. The letter is used in the modern orthography of the Aleut language and in the current Alaska Native Language Center alphabet of the Haida language. In both cases, it represents the sound /χ/.

Latin letter X with circumflex
X̂x̂
Usage
Language of originAleut language, Haida language
Phonetic usagevoiceless uvular fricative /χ/
Unicode codepointU+0058 + U+0302, U+0078 + U+0302
History
Development
  • X̂x̂
Other

In mathematics, x̂ often refers to the unit vector in the +X direction.

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