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Element in vacuum tube filaments – Crossword Clue

Below are possible answers for the crossword clue Element in vacuum tube filaments.


Clue Length Answer
Element in vacuum tube filaments7 lettersthorium
  1. Definition: 1. a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands