Coriolis effect

noun (1)
Co·​ri·​o·​lis effect | \ ˌkȯr-ē-ˈō-ləs- How to pronounce Coriolis effect (audio) \

Definition of Coriolis effect

 (Entry 1 of 3)

: the apparent deflection of a moving object that is the result of the Coriolis force

Coriolis force

noun (2)

Definition of Coriolis force (Entry 2 of 3)

: 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

Coriolis acceleration

noun (3)
Co·​ri·​o·​lis acceleration | \ (ˈ)kȯr-ē-¦ō-ləs- \

Definition of Coriolis acceleration (Entry 3 of 3)

: a quantity that must be added vectorially to the acceleration of a body with respect to another accelerated body to get the true acceleration of the former Coriolis acceleration applies to the motion of a long-range projectile with respect to the rotating earth

First Known Use of Coriolis effect

Noun (1)

circa 1946, in the meaning defined above

Noun (2)

1923, in the meaning defined above

History and Etymology for Coriolis effect

Noun (2)

Gaspard G. Coriolis †1843 French civil engineer

Noun (3)

after Gaspard G. Coriolis †1843 French civil engineer

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The first known use of Coriolis effect was in 1923

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Cite this Entry

“Coriolis effect.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/coriolis. Accessed 27 January 2020.

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