ASTRO-


Meaning of ASTRO- in English

/ ˈæstrəʊ; NAmE ˈæstroʊ/ combining form

(in nouns, adjectives and adverbs) connected with the stars or outer space :

astronaut

astrophysics

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WORD ORIGIN

from Greek astron star.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.