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axis

axis

44 5.1
A straight line that an object turns around, like the Earth turning
  • noun
  • /ˈæksɪs/
translation icon : eje
  • So on this axis, on the vertical axis, we have flux.
  • x axis
  • y axis
  • vertical axis

And he drew an XY axis, He drew a graph from me.

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Examples

  • While more impacts are expected around the globe as the Earth spins on its axis...

  • The Earth rotates on its axis, completing one full spin every 24 hours.

  • So this here is the X axis and it looks like this.

  • But if you took it and put it on its axis this way--

  • So you get a horizontal axis, which is time.

  • Have you checked the axis?

  • You know how the earth spins on an axis?

  • This room moves to zero, one, and negative one on the x-axis.

  • The explosion pushed the station's axis off by a few degrees... just enough to hit the asteroid belt a lot sooner.

  • During preliminary tests, it was noted that the knee axis during kneeling was approximately horizontal.

    Academic text (1999)

Synonyms

centerline
vsaxis
  • Specialized
2 3.9

A line that divides a shape or road into two equal parts through its middle

is about any straight line used for rotation or symmetry not only division
axis of rotation
vsaxis
  • Specialized
1 4.3

A straight line that an object turns around

is broader and includes lines for symmetrical arrangement as well as spinning

Compounds

2 4.5

An imaginary line through the North and South Poles that the Earth spins around

axis of rotation
  • Specialized
1 4.3

A straight line that an object turns around

coordinate axis
  • Specialized
4.4

A fixed straight line that shows where points are on a graph, like the x or y line

axis vertebra
  • Specialized
8.4

The second bone in the neck that lets the head turn from side to side

major axis
  • Specialized
6.3

The longest straight line through an ellipse that passes through its two special inner points

minor axis
  • Specialized
7.2

The shorter diameter of an ellipse that goes through its center and meets the longer axis at right angles

principal axis
  • Specialized
7.7

An invisible straight line through a lens or mirror center that light follows without bending

off-axis reflector
  • Specialized
9.3

A telescope with a tilted main mirror that sends the image to the side to avoid mirror blocking light

optic axis
  • Specialized
8.4

A line in a crystal, lens, or eye that lets light pass without splitting

A line showing different opinions about government, from left to right

semimajor axis
  • Specialized
8.0

The distance from the center of an ellipse or oval to its farthest edge, equal to half the longest diameter

semiminor axis
  • Specialized
8.7

Half the length from the center to the edge along an ellipse's shortest diameter

y-axis
  • Specialized
4.0

The vertical line on a graph that shows measured values

Surface Forms

axis singular
axes plural

Etymology

Axis comes from the Latin axis, meaning an 'axle' or 'line', the rod a wheel turns on, so an axis is the straight line around which an object turns or is symmetrically arranged.