Gaia

noun
\ ˈgī-ə \

Definition of Gaia

: the hypothesis that the living and nonliving components of earth function as a single system in such a way that the living component regulates and maintains conditions (such as the temperature of the ocean or composition of the atmosphere) so as to be suitable for life also : this system regarded as a single organism

First Known Use of Gaia

1972, in the meaning defined above

History and Etymology for Gaia

after Greek Gaîa, a primordial earth goddess in Greek myth, literally, "earth" — more at geo-

Keep scrolling for more

Learn More about Gaia

Dictionary Entries near Gaia

Gahanna

gahe

gahnite

Gaia

gaiac

gaiassa

gaiety

Statistics for Gaia

Look-up Popularity

Time Traveler for Gaia

The first known use of Gaia was in 1972

See more words from the same year

Comments on Gaia

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

WORD OF THE DAY

tremendous in size, volume, or degree

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!