1. a combining form meaning “the earth,” used in the formation of compound words: geochemistry.

  1. George.

noun plural geos or gios

  1. (esp in Shetland) a small fjord or gully

combining form

  1. indicating earthgeomorphology

word-forming element meaning “earth,” ultimately from Greek geo-, comb. form of ge “earth” (see Gaia).


  1. Earth:geophagia.

  1. A prefix that means “earth,” as in geochemistry, the study of the Earth’s chemistry.
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