Home > Term: geoid
geoid
The figure of the Earth considered as a sea-level surface extended continuously through the continents. It is a theoretically continuous surface that is perpendicular at every point 1346 to the direction of gravity (the plumb line). It is the reference for astronomical observations and for geodetic leveling.
- Part of Speech: noun
- Industry/Domain: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Creator
- ed.young
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(Milwaukee, United States)