an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents.
the geometric figure formed by this surface, an ellipsoid flattened at the poles.
geoid | Define geoid at Dictionary.com
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The geoid is the shape that the surface of the oceans would take under the
influence of Earth's ... Being an equipotential surface, the geoid is by definition a
surface to which the force of gra...
A depiction of the United States geoid. Areas in yellow and orange have a slightly
stronger gravity field as a result of the Rocky Mountains. While we often think ...
Jan 30, 2001 ... geoid: The equipotential surface of the Earth's gravity field which best ... For
example, altimetry is often used to define "mean sea level" in the ...
The geoid approximates mean sea level. ... By definition, the geoid describes the
irregular shape of the earth and is the true zero surface for measuring ...
Geoid definition, an imaginary surface that coincides with mean sea level in the
ocean and its extension through the continents. See more.
Nov 24, 2015 ... Geoid, model of the figure of Earth—i.e., of the planet's size and shape—that ...
Learn how sea level is defined by using variations in Earth's ...
The hypothetical surface of the earth that coincides everywhere with mean sea
level. [German, from Greek geoeidēs, earthlike : gē, earth + -oeidēs, -oid.] ...
This tutorial explains the concepts behind modelling the earth's surface using GIS