astrogeology

noun

as·​tro·​geology

¦as(ˌ)trō +

: a branch of geology that deals with celestial bodies

astrogeologic

¦astrō +

adjective

astrogeologist

¦as(ˌ)trō +

noun

Word History

Etymology

astr- + geology

First Known Use

1883, in the meaning defined above

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