Definition of geo-

1 : earth : ground : soil geophyte
2 : geographic : geography and geopolitics

History and Etymology for geo-

borrowed from Greek geō-, combining form of (Doric ) "earth, land, country," perhaps contracted from gaîa "earth," probably of pre-Greek substratal origin

Keep scrolling for more

Learn More about geo-

Statistics for geo-

Cite this Entry

“Geo-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geo-. Accessed 26 Feb. 2020.

Keep scrolling for more

More Definitions for geo-

English Language Learners Definition of geo-

: earth : ground : soil

geo-

prefix

Kids Definition of geo-

1 : earth : soil geochemistry
2 : geographical

More from Merriam-Webster on geo-

Nglish: Translation of geo- for Spanish Speakers

Comments on geo-

What made you want to look up geo-? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!