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rotation axis

American  

noun

Crystallography.
  1. an imaginary line through a crystal about which the crystal may be rotated a specified number of degrees and be brought back to its original position.


Etymology

Origin of rotation axis

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Former endeavors had been limited to two-dimensional approaches that assumed the symmetry about the Sun's rotation axis.

From Science Daily ● Mar. 27, 2024

"Most are not aware that the rotation axis wobbles and has drifted from North Geographic pole in the last 123 years by 10-15 meters," Wilson told Salon.

From Salon ● Jun. 21, 2023

Saturn’s field, on the other hand, is perfectly aligned with its rotation axis.

From Textbooks ● Oct. 13, 2016

Over time, our orbit twists and flexes under the perturbation of the other planets, and the Earth’s rotation axis nods back and forth.

From Slate ● Oct. 2, 2013

The lander will carry four instruments, which will determine Mars' rotation axis and measure the seismic waves and heat flowing through and from the planet's interior.

From Scientific American ● Aug. 21, 2012

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