as·​tro·​geology | \ ¦as(ˌ)trō + \

Definition of astrogeology

: a branch of geology that deals with celestial bodies

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Other Words from astrogeology

astrogeologic \ ¦astrō + \ adjective
astrogeologist \ ¦as(ˌ)trō + \ noun

First Known Use of astrogeology

1883, in the meaning defined above

History and Etymology for astrogeology

astr- + geology

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The first known use of astrogeology was in 1883

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Cite this Entry

“Astrogeology.” Dictionary, Merriam-Webster, Accessed 14 Aug. 2020.

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