{{wiktionary|Axis|axis}} {{TOC right}}
An '''axis''' ({{plural form}}: '''axes''') may refer to:
==Mathematics== *A specific line (often a directed line) that plays an important role in some contexts. In particular: ** Coordinate axis of a coordinate system *** ''x''-axis, ''y''-axis, ''z''-axis, common names for the coordinate axes of a Cartesian coordinate system ** Axis of rotation ** Axis of symmetry ** Axis of a conic section
==Politics== *Axis powers of World War II, 1936–1945. *Axis of evil (first used in 2002), U.S. President George W. Bush's description of Iran, Iraq, and North Korea *Axis of Resistance (first used in 2002), the Shia alliance of Iran, Hezbollah, and the Houthis *Axis of Upheaval (first used in 2024), foreign policy neologism of the Anti-western collaboration between Russia, China, Iran, and North Korea *Jakarta-Pyongyang-Peking Axis, diplomatic alignment and alliance between Indonesia, China, and North Korea during Sukarno's Presidency *Political spectrum, sometimes called an axis
==Science== *Axis (anatomy), the second cervical vertebra of the spine *''Axis'' (genus), a genus of deer *''Axis'' (journal), online journal published by The Mineralogical Record *Axis mundi, astronomical term for the rotational axis of the celestial sphere *Axis, a botanical term meaning the line through the centre of a plant *Axis, an anatomical term of orientation *Gut–brain axis, biochemical signaling between the gastrointestinal tract and central nervous system *Hypothalamic–pituitary axis, relationship between neuroendocrine hormones and a specific end organ *Optical axis, a line of rotational symmetry
==Technology== *Apache Axis, a web-service framework from Apache Software Foundation *Yahoo! Axis, a mobile web browser
==Arts, entertainment, and media== ===Music=== *''Axis: Bold as Love'' (1967), an album by The Jimi Hendrix Experience *''Axis'' (Paul Bley album) (1977) *''Axis'' (Pegz album) (2005) *"Axis" (song), by Pet Shop Boys (2013)
===Other uses in arts, entertainment, and media=== *AXIS (comics), "Avengers & X-Men: AXIS" (2014), a Marvel Comics storyline *Axis Amerika, the name of two teams of super-villains who have appeared in DC Comics *Axis, an asteroid in the Gundam science fiction media franchise *''Axis'' (film), a 2017 drama directed by Aisha Tyler *''Axis'' (novel), a 2007 science-fiction novel by Robert Charles Wilson *AXIS Dance Company, a professional contemporary dance company and dance education organization in Oakland, California, U.S. *Axis, a major character in the video game ''Undertale Yellow''
==Brands and enterprises== *Axis Bank, a private sector bank in India *AXIS Capital, a Bermuda-based and global operating reinsurer *Axis Communications, a Swedish manufacturer of IP cameras *AXIS Flight Training Systems, an Austrian-based manufacturer of flight simulators *Axis Percussion, a drum-related manufacturer *Axis Records (disambiguation), several music labels *Axis Telecom, a national GSM mobile operator in Indonesia *PH Live, a Las Vegas resort/casino concert venue named The AXIS from December 2013 to February 2018
== Other uses== *Axis, Alabama, an unincorporated area in the United States
==See also== *Axis system of harmonic analysis *Axes (disambiguation) *Axial (disambiguation) *Axios (disambiguation) *Axis 2 (disambiguation) *Axius (disambiguation)
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