Meaning & use
geo
A combining form meaning 'earth', used at the start of words relating to geography, geology, or location.
See it in a sentence
Words like 'geology' and 'geothermal' both begin with the combining form geo, meaning earth.
Marketers now use 'geo-targeting' to describe advertising aimed at a specific location.
A note on using this word
As an informal standalone word, 'geo' is sometimes used casually to mean 'geography' or a user's geographic location in tech contexts.
Words with a similar meaning
This term is best learned through its definition and examples.
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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