MICROBIOLOGY Scrabble 22 Words With Friends 26 Scrabble letter values: M3I1C3R1O1B3I1O1L1O1G2Y4 = 22 Definition noun the branch of biology that studies microorganisms and their effects on humans. See all 192 words you can make from MICROBIOLOGY → 12-letter words Words starting with M Words ending with Y ← Unscramble different letters