astro-

combining form

: star : heavens : outer space : astronomy
astrophysics

Word History

Etymology

borrowed from Greek, combining form from ástron "star" — more at star entry 1

Dictionary Entries Near astro-

astringent root

astro-

astrobiology

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Cite this Entry

“Astro-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astro-. Accessed 31 Dec. 2024.

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Kids Definition

astro-

combining form
: star : heavens : outer space : astronomical
astrophysics
Etymology

Latin astro- "star," derived from Greek astēr, astron "star"

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