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axis of rotation

axis of rotation

1 4.3
A straight line that an object turns around
  • noun
  • Specialized
translation icon : eje de rotación
  • The axis of rotation is shown as a straight line passing through the malleus and the incus.
  • the primary axis of rotation
  • the axis of rotation has moved
  • the axis of rotation appears

The geographic pole is the Earth's axis of rotation, right?

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Examples

  • The Earth's axis of rotation is currently offset about 23.4 degrees relative to its orbital plane.

    Blog text (31)
  • So if you're rotating an object, depending on the axis of rotation, this point is moving faster than this point.

  • And now we need the distance from the axis of rotation to its center of mass.

  • Note that the axis of rotation has moved higher up.

    Academic text (1998)
  • The geographic pole is the Earth's axis of rotation, right?

  • The front roller was mounted so that the roller's axis made an angle of 5 degrees with its axis of rotation; the front axis of rotation was horizontal and parallel with the rear roller's axis.

    Academic text (1995)
  • The dynamometer's axis of rotation was aligned with the subject's shoulders' frontal axis of rotation, with the arm placed at 90 degrees of shoulder abduction and 90 degrees of elbow flexion.

    Academic text (2004)
  • Earth's axis of rotation is an imaginary line that goes through the North and South poles.

  • The Earth's axis of rotation is currently offset about 23.4 degrees relative to its orbital plane.

  • An amazing fact about Uranus is that its axis of rotation is tipped almost parallel to the plane of the solar system.

Synonyms

axis
vsaxis of rotation
44 5.1

A straight line that an object turns around, like the Earth turning

is only the straight line that an object turns around

Surface Forms

Morphology

axis + of + rotation

The phrase is fully compositional: 'axis' (a straight line used for rotation) modified by 'of rotation' simply specifies the axis concerned with spinning. This standard noun + of + noun pattern is cross-linguistically common and would be clear to a B1 learner who knows the constituent words.

Etymology

Axis of rotation pictures an invisible straight line that something turns around: the axis is the line and the rotation is the turning. That's why axis of rotation means the line an object spins around.