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单词 geoidal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ge•oid  ( jēoid),USA pronunciation n. 
  1. Geographyan imaginary surface that coincides with mean sea level in the ocean and its extension through the continents.
  2. Place Namesthe geometric figure formed by this surface, an ellipsoid flattened at the poles.
  • Greek geoeidé̄s earthlike. See geo-, -oid
  • 1880–85
ge•oidal, adj. 

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