Longman Dictionary of Contemporary English homepage

Topic: ASTRONOMY

Language: Old French
Origin: Latin, from Greek, from astron 'star'

astro-

 prefix
     
astro-
XX relating to the stars, the planets, or space:
an astronaut (=someone who travels in space)
astronomy (=scientific study of the stars)
Definition of astro- from the Longman Dictionary of Contemporary English within
the topic ASTRONOMY
Word of the Day
The ASTRONOMY
Word of the Day is:
nebula

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