OMICRON /ˈoʊ.mɪ.kɹən/ ► audio Scrabble 11 Words With Friends 14 Definition noun the 15th letter of the Greek alphabet. Anagrams of OMICRON moronic See all 53 words you can make from OMICRON → 7-letter words Words starting with O Words ending with N ← Unscramble different letters