Definition of astro- in English:

astro-

Translate astro- into Spanish

  • Relating to the stars, celestial objects, or outer space.

    ‘astrophotography’
    • ‘astrocompass’
    • ‘astrophysics’
    • ‘astrochemistry’

Pronunciation

astro-

/ˈastrō/ /ˈæstroʊ/

Origin

From Greek astron ‘star’.