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exobiology

exobiology noun: the branch of biology dealing with exolife: (putative or predicted) extraterrestrial lifeforms (those originating from planets other than Earth).

Noun

exobiology (usually uncountable, plural exobiologies)

  1. (usually, life sciences) The branch of biology dealing with exolife: (putative or predicted) extraterrestrial lifeforms (those originating from planets other than Earth).
    • Biology has lately given rise to a new discipline: exobiology, the study of extraterrestrial life. Ever since 1959, when analysis of a piece of meteor substance showed traces of organic compounds, a controversy has raged as to whether these compounds came into the atmosphere with the meteorite or...1973, Lyall Watson, Supernature, page ix. 310
    Synonyms:
    xenobiology

Synonyms of exobiology

Forms of exobiology

pluralexobiologies

Origin of exobiology

From exo- + biology, coined by American molecular biologist Joshua Lederberg.

Questions about exobiology

What does exobiology mean?
Exobiology means the branch of biology dealing with exolife: (putative or predicted) extraterrestrial lifeforms (those originating from planets other than Earth).
What part of speech is exobiology?
Exobiology is a noun.
What is the plural of exobiology?
The plural of exobiology is exobiologies.

Words near exobiology in the dictionary

  1. exobiological
  2. exobiologically
  3. exobiologies
  4. exobiologist
  5. exobiologists
  6. exobiology
  7. exobiotic
  8. exobiotics
  9. exocannibal
  10. exocannibalism
  11. exocannibals

Source and license

Adapted from Wiktionary: exobiology (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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