Meaning & Definition of word "Axis"

Axis

/ˈæksɪs/

noun:

  • 1. A straight line around which an object rotates.
    • Example: The Earth spins on its axis, resulting in day and night.
  • 2. An imaginary line that divides a symmetrical figure or body into two equal halves.
    • Example: The axis of symmetry for the parabola is the vertical line that runs through its vertex.
  • 3. A central line that is used as a reference for measurement or alignment.
    • Example: In cartesian coordinates, the x-axis runs horizontally and the y-axis runs vertically.
  • 4. A group of countries in alliance, particularly during a war; specifically refers to the Axis powers in World War II.
    • Example: Germany, Italy, and Japan were known as the Axis in World War II.

Etymology

Late Latin 'axis', meaning 'pivot, axis', from Greek 'axōs'.

Common Phrases and Expressions

axis of evil:

A term used to refer to countries perceived as threats to world peace.

on a different axis:

To be on a different wavelength or perspective.

Related Words

axial:

Relating to or around an axis.

axial symmetry:

Symmetry around an axis.

Slang Meanings of axis

Meaning: To be at the center of a situation.

Example Sentence: He's the axis of our friend group.

Meaning: A reference point.

Example Sentence: Her advice has always been my axis when making big decisions.