Usually means: Origin of life from outside.
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We found 5 dictionaries that define the word exogenesis:

General (4 matching dictionaries)
  1. Exogenesis, exogenesis: Wordnik
  2. exogenesis: Wiktionary
  3. exogenesis: Dictionary.com
  4. Exogenesis (Babylon 5), Exogenesis (album), Exogenesis: Wikipedia, the Free Encyclopedia

Slang (1 matching dictionary)
  1. Exogenesis: Urban Dictionary

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Definitions from Wiktionary (exogenesis)

▸ noun:  The theory that life on Earth is of extraterrestrial origin.
▸ noun:  External origin.

Similar:
xenobiology, exobiology, xenogenesis, exogeny, zoogenesis, xenogeny, abiogenesis, xenochemistry, xenobiochemistry, xenomorphology, more...

Opposite:
endogenesis, autogenesis, self-generation

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Similar:
xenobiology, exobiology, xenogenesis, exogeny, zoogenesis, xenogeny, abiogenesis, xenochemistry, xenobiochemistry, xenomorphology, more...

Opposite:
endogenesis, autogenesis, self-generation



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