Gaia
Americannoun
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Classical Mythology the ancient Greek goddess who personified the earth and whose numerous offspring include Uranus, by whom she bore the Titans and the Cyclopes.
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the earth, when regarded as the self-regulating organism described by the Gaia hypothesis.
Our destiny is dependent on what we do for Gaia as a whole.
noun
Etymology
Origin of Gaia
First recorded in 1970–75; from Greek gaîa “earth, the earth”
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To better understand the star's history, the team combined their observations with data from the European Space Agency's Gaia mission.
From Science Daily • Apr. 4, 2026
The teenager represents Portuguese first division side Valadares Gaia and has been involved in England's youth teams, most recently the under-23s.
From BBC • Mar. 31, 2026
"We have two-year-old children scared and crying and going through this," local resident Gaia Khouiri told AFP.
From Barron's • Mar. 25, 2026
Both Gaia BH2 and Gaia BH3 belong to a class of dormant black hole systems.
From Science Daily • Dec. 26, 2025
‘One word. You want permission to close your eyes and forget your troubles. You - want - SLEEP’ Gaia solidified into human form.
From "Blood of Olympus" by Rick Riordan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.