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gagger
gagging order
gaggle
gagman
gagster
gahnite
GAI
Gaia
Gaia hypothesis
gaiety
gaijin
gaily
gain (1)
gain (2)
gain sharing
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Gainesville
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Gaia hypothesis

Gai·a hy·poth·e·sis [ g ə hī pòthəssiss ]


noun 
Definition:
 
theory about life processes on Earth: the theory put forward by James Lovelock that the Earth is a self-regulating organism with its own life cycle

[Late 20th century. < Greek gaia "the Earth"]
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