Coriolis effect

[ kawr-ee-oh-lis ]
/ ˌkɔr iˈoʊ lɪs /

noun

the apparent deflection (Coriolis acceleration ) of a body in motion with respect to the earth, as seen by an observer on the earth, attributed to a fictitious force (Coriolis force ) but actually caused by the rotation of the earth and appearing as a deflection to the right in the Northern Hemisphere and a deflection to the left in the Southern Hemisphere.

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Also called deflecting force.

Origin of Coriolis effect

1965–70; named after Gaspard G. Coriolis (died 1843), French civil engineer

Words nearby Coriolis effect

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for Coriolis effect

Coriolis effect
[ kôr′ē-ōlĭs ]

The observed effect of the Coriolis force, especially the deflection of objects or substances (such as air) moving along the surface of the Earth, rightward in the Northern Hemisphere and leftward in the Southern Hemisphere. The Coriolis effect is named after the French engineer Gustave Gaspard Coriolis (1792-1843).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for Coriolis effect

Coriolis effect
[ (kawr-ee-oh-lis) ]

An apparent force ultimately due to the rotation of the Earth. It is the Coriolis effect that makes the air in storms rotate counterclockwise in the northern hemisphere and clockwise in the southern hemisphere.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.