Dictionary.com
Thesaurus.com

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.

Their analysis showed that the star's rotation axis and the planet's orbital axis differ by roughly 62°, meaning TOI-3884 hosts a significantly tilted planetary orbit.

From Science Daily • Dec. 4, 2025

"Measuring the location of the rotation axis very precisely is really important to the GPS system and so to everyone who uses it, either with a cell phone, flying in an aircraft, etc."

From Salon • Jun. 21, 2023

By including these changes in their model, the authors calculated that they should have a substantial impact on the Earth’s rotation axis.

From Scientific American • 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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "rotation axis" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com