NUCLEOSYNTHESIS Scrabble 23 Words With Friends 26 Scrabble letter values: N1U1C3L1E1O1S1Y4N1T1H4E1S1I1S1 = 23 Definition noun (astronomy) the cosmic synthesis of atoms more complex than the hydrogen atom. See all 1767 words you can make from NUCLEOSYNTHESIS → 15-letter words Words starting with N Words ending with S ← Unscramble different letters