ASTRONOMY /æˈstɹɑnəˌmi/ ► audio Scrabble 14 Words With Friends 15 Scrabble letter values: A1S1T1R1O1N1O1M3Y4 = 14 Definition noun the branch of physics that studies celestial bodies and the universe as a whole. — synonyms: uranology See all 297 words you can make from ASTRONOMY → 9-letter words Words starting with A Words ending with Y ← Unscramble different letters