geo-

¹ American  

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

   geochemistry.

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Geo. ² American  

abbreviation

1. George.

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geo- ¹ British  

combining form

1. indicating earth

   geomorphology

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geo ² British  

/ ˈdʒiːəʊ /

noun

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

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geo– Scientific  

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

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Usage

What does geo- mean? Geo- is a combining form used like a prefix meaning “earth.” It is often used in scientific terms in a variety of fields. In some rare instances, such as the term geocode, geo- is used as an abbreviation of geographical.Geo- comes from Greek gê, meaning “earth.” A synonym of gê is khthṓn, which is the source of several words related to the underworld, such as chthonic.What are variants of geo-?When combined with words or word elements that begin with a vowel, geo- becomes ge-, as in geanticline. Want to know more? Read our Words That Use article for ge-.

Etymology

Origin of geo-

< Greek geō-, combining form of gê the earth

Example Sentences

The California and Louisiana facilities are both operated by the Florida-based private prison giant, the GEO Group.

From Los Angeles Times

The GEO Group did not respond to requests for comment.

From Los Angeles Times

While playing Nintendo, before TurboGrafx-16 dropped — I was the only brat with a Neo Geo, and then later, a Sony PlayStation — I’d be summoned for a plate.

From Salon

“Geo strongly rejects these baseless allegations,” spokesman Christopher Ferreira said in an email to CalMatters.

From Los Angeles Times

By extension, GEO claimed intergovernmental immunity as a contractor.

From Los Angeles Times