PION /ˈpaɪɒn/ Scrabble 6 Words With Friends 8 Scrabble letter values: P3I1O1N1 = 6 Definition noun a meson involved in holding the nucleus together. — synonyms: pi-meson Examples “produced as the result of high-energy particle collision” See all 10 words you can make from PION → 4-letter words Words starting with P Words ending with N ← Unscramble different letters