Crossword clues for the word: SELENIUM The word SELENIUM has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for SELENIUM Showing 1 to 8 of 8 results Clue(s) Element #34 Element found in photocells Element found in walnuts Element in multivitamins Element of disheartened surprise Element used in glassmaking Element used in photoelectric cells Non-metallic chemical element; symbol Se