Axis

Look up axis in Wiktionary, the free dictionary.

Axis may refer to:

In mathematics:

• Axis of rotation, line around which a three-dimensional object rotates
• Axis of symmetry, a line that divides a two-dimensional object into identical shapes
• X and Y axes, or X, Y, and Z axes, perpendicular lines used in the Cartesian coordinate system
• Informally, by extension, the line generated by a basis vector in linear algebra

In science:

• Axis (anatomy), the second cervical vertebra of the spine
• Axis (genus), a genus of deer
• Axis (Science Festival), an annual technical festival held in Nagpur, India
• Axial tilt, the tilt of the axis on which the earth rotates, relative to the plane of the ecliptic
• Optical axis, in optics

• The American Psychiatric Association organizes psychiatric diagnoses on a five-axis system

In politics:

• A parameter used in describing political spectrum
• Axis powers of World War II
• Axis of evil, U.S. President George W. Bush's description of Iran, Iraq, and North Korea

In music:

• Axis: Bold as Love, album by The Jimi Hendrix Experience
• Axis Percussion, a US manufacturer of drum pedals and hardware
• Axis Records, the name of several music labels
• Axis system, a system of harmonic analysis

In fiction:

• Axis (novel), a science-fiction novel by Robert Charles Wilson
• Axis, an asteroid in the Gundam anime universe
• Axis Zeon, inhabitants of the asteroid Axis in the Gundam anime universe
• Axis Chemicals, is a fictional chemical plant in the first Batman film and in DC Comics.

In information technology:

• Apache Axis, an open source Web service framework from the Apache Software Foundation
• Axis Communications, a Swedish manufacturer of IT equipment

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