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geo-(word root) earth, land
Examples of words with the root geo-: geography
1. Earth: geocentric.
2. Geography: geopolitical.
[Greek geō-, from gē, earth.]
indicating earth: geomorphology.
[from Greek, from gē earth]
a combining form meaning “the earth” (geography); “earth, ground” (geoponics); “geography” ( geopolitics).
[< Greek geō-, comb. form of gê the earth]
A prefix that means "earth," as in geochemistry, the study of the Earth's chemistry.