Word Pronunciation & Dictionary

exobiology

Word Rarity Very rare

Frequency: Zipf frequency 1.51 in modern English

Syllables: exo-bi-ol-o-gy
IPA

23

Scrabble Score

10

Letters

5

Syllables

8

Unique Chars

Meaning

noun

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

Uncountable

Example Sentences

"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 whether they originate on earth."

Etymology

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

Word Breakdown

Prefix: exo

Usage

Uncountable

Inflected Forms

exobiologies (plural)

Frequently Paired Words

biology xenobiology

Synonyms

xenobiology space biology astrobiology

Questions

What does exobiology mean?: The branch of biology dealing with exolife: (putative or predicted) extraterrestrial lifeforms (those originating from planets other than Earth).
Where does exobiology come from?: From exo- + biology, coined by American molecular biologist Joshua Lederberg.

How to pronounce exobiology

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