Coriolis force


: an apparent force that as a result of the earth's rotation deflects moving objects (such as projectiles or air currents) to the right in the northern hemisphere and to the left in the southern hemisphere

Examples of Coriolis force in a Sentence

Recent Examples on the Web In the reference frame of the rotating spacecraft, there is another force to think about: the Coriolis force. Rhett Allain, Wired, 14 May 2021 By the end of the motion, the Coriolis force is almost 1 g. Rhett Allain, Wired, 14 May 2021 Land falling cyclones are almost unheard of in Tanzania due to its close proximity to the equator, where the Coriolis force -- what causes the storm to rotate -- is weaker. Pedram Javaheri, CNN, 22 Apr. 2021 Proof of this includes the Coriolis force. Eleanor McCrary, USA TODAY, 22 Apr. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Coriolis force.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Gaspard G. Coriolis †1843 French civil engineer

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of Coriolis force was in 1923

Dictionary Entries Near Coriolis force

Cite this Entry

“Coriolis force.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

Kids Definition

Coriolis force

: a force that as a result of the earth's rotation acts on a body in motion (as a projectile)

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