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tangential motion
[ tan-jen-shuhl moh-shuhn ]
noun
, Astronomy.
- the component of the linear motion of a star with respect to the sun, measured along a line perpendicular to its line of sight and expressed in miles or kilometers per second.
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Word History and Origins
Origin of tangential motion1
First recorded in 1760–70
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Example Sentences
This experiment shows that no cyclone can form without some tangential motion in the air entering the area of low-pressure.
From Project Gutenberg
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