A subatomic particle with a mass equal to or greater than that of a proton

Let's find possible answers to "A subatomic particle with a mass equal to or greater than that of a proton" crossword clue. First of all, we will look for a few extra hints for this entry: A subatomic particle with a mass equal to or greater than that of a proton. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.