The clue "Certain vacuum tube" last appeared in the Premier Sunday King Feature Syndicate crossword on August 12, 2018. The correct answer for this puzzle is "TETRODE", a 7-letter word.
Solution TETRODE is our most searched for solution by our visitors. Solution TETRODE is 7 letters long. We have 0 further solutions of the same word length.
There are 3 solutions. The longest is TETRODE with 7 letters, and the shortest is DIODE with 5 letters.
Not at the moment. Currently trending: deferred, Totally screw up, Indian condiment, Cries from the congregation and Celebrated.
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Solutions are between 5 and 7 letters long.