Crossword clues for the word: ATOMICPILE The word ATOMICPILE has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for ATOMICPILE Showing 1 to 5 of 5 results Clue(s) Chain reaction facilitator Early nuclear reactor Energy source since 1942 Enrico Fermi built the first one Nuclear reactor