Crossword clues for the word: ATMOS The word ATMOS has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for ATMOS Showing 1 to 10 of 10 results Clue(s) ___ clock (self-winding timepiece) ___ Energy (big natural gas utility) "Greek for ""vapor""" "Vapor, in Greece" Brand of clock powered by changes in temperature Clock that's sort of like a perpetual motion machine Greek word for steam. Prefixes meaning vapors Self-winding clock Self-winding mercury clock