Definitions for "Geoid"
The figure of the Earth considered as a mean sea-level surface extended continuously under the continents.
The shape of the Earth's surface assumed at mean sea level. Elevations are reported relative to this surface.
A undulating surface of constant gravitational force that approximates the shape of the earth.
GEOgraphy IDentification number. This is the unique identifying number or record key of a given place in the GEOGRAPHY table, assigned sequentially at the time the record is entered. The geoid is unique only within a given bibliography. Thus geoid 1100 corresponds to the kingdom of Navarre in BETA, to the town of Madrigal de las Altas Torres in BITAGAP, and to the town of Besalú in BITECA. Return to the Top of this PhiloBiblon Glossary