geoid Hear it!

geoid definition

ge·oid (jē′o̵id′)

noun

Geodesy the earth viewed as a hypothetical ellipsoid with the surface represented as a mean sea level

Etymology: Ger geoide < Gr geoeidēs, earthlike: see geode

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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