PROTON /ˈpɹəʊ.tɒn/ ► audio Scrabble 8 Words With Friends 10 Scrabble letter values: P3R1O1T1O1N1 = 8 Definition noun a stable particle with positive charge equal to the negative charge of an electron. Anagrams of PROTON pronto See all 33 words you can make from PROTON → 6-letter words Words starting with P Words ending with N ← Unscramble different letters