PRECIPITIN Scrabble 16 Words With Friends 20 Scrabble letter values: P3R1E1C3I1P3I1T1I1N1 = 16 Definition noun an antibody that causes precipitation when it unites with its antigen. See all 124 words you can make from PRECIPITIN → 10-letter words Words starting with P Words ending with N ← Unscramble different letters