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
Origin and Etymology of gaia
after Greek Gaîa, a primordial earth goddess in Greek myth, literally, “earth” — more at geo-
First Known Use: 1972
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