astro-

a combining form with the meaning “pertaining to stars or celestial bodies, or to activities, as spaceflight, taking place outside the earth's atmosphere,” used in the formation of compound words.
astronautics; astrophotography.

astro-

combining form

indicating a heavenly body, star, or star-shaped structure
astrology
astrocyte
indicating outer space
astronautics

��ٰ��–

A prefix that means “star” (as in astrophysics), “celestial body” (as in astronomy), or “outer space” (as in astronaut).

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Word History and Origins

Origin of ��ٰ��–¹

< Greek, combining form of á��ٰ��ǲ� a star, constellation, akin to ��ḗr star; aster, -aster ²

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Word History and Origins

Origin of ��ٰ��–¹

from Greek, from astron star

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Example Sentences

Examples have not been reviewed.

Astro Bot has swept this year's Bafta Games Awards, winning five awards in total - including the top prize of best game.

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Many had tipped Balatro - the poker-inspired card game made by an anonymous, lone developer known as LocalThunk - to pip Astro Bot to the award this year.

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A game envisioned to teach players about a console is not a new idea — see, for instance, the PlayStation 5 title “Astro’s Playroom” — and yet “Welcome Tour” took me back to mid-’80s PC work “Little Computer People.”

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In 2009 Astro decided to halve the number of full-time employees and Richard was let go after 14 years at Oakwood.

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It's in the running for best game alongside 3D platformer Astro Bot - up for eight awards - which clinched top prize at the US-based Game Awards in December.

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When To Use

�� does astro- mean?

Astro- is a combining form used like a prefix meaning “related to stars, celestial bodies, and outer space.” It is often used in scientific terms, especially in—you guessed it—astronomy.Astro- is also sometimes used to refer to something that is star-shaped, as in an astrocyte, a type of star-shaped cell in the brain and spinal cord.Astro- comes from the Greek á��ٰ��ǲ�, meaning “star.” The Greek á��ٰ��ǲ� is also related to such words as asteroid and even the star itself. The word astronomy comes from a Greek word that literally (and poetically) means “star-arranging.”�� are variants of astro-?When combined with words or word elements that begin with a vowel, astro- becomes astr-.

astrionics astroarchaeology

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