Dictionary:Geoid

ADVERTISEMENT
From SEG Wiki
Revision as of 15:16, 20 December 2011 by Wiki Admin (talk | contribs) (Initial import)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

(jē’oid) The sea-level equipotential surface to which the direction of gravity is perpendicular everywhere. An oblate ellipsoid of revolution (the ellipsoid or spheroid) that approximates the geoid is the reference for geodetic latitude determinations.