Crossword clues for the word: TRIODES The word TRIODES has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for TRIODES Showing 1 to 9 of 9 results Clue(s) Certain electron tubes Old TV parts Old TV tubes Some old TV tubes Some tubes Some vacuum tubes Tubes in old TVs Vacuum tubes Vacuum tubes containing three elements