Planet Earth
noun
(Without the) the earth, as distinct from the rest of the universe, especially when considered as the planet on which humans live, or on which living organisms form an ecological system; the whole world.
Origin
Mid 19th century; earliest use found in Hamilton (Ohio) Weekly Telegraph.
- automatic tension
- automatic train control
- automatic translation
- automatic volume control
- automatic writing
- automation
- automatise
- automatism
- automatist
- automative
- automatization
- automatize
- automatograph
- automaton
- automatonism
- automatous
- auto mechanics
- autometamorphism
- autometric
- autometry
- automimicry
- automise
- automixis
- automize
- automobile