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Coolidge tube

noun

, Physics.
  1. a cathode ray tube, used for x-ray production, in which a beam of thermoelectrons is produced by heating a wire cathode.


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Word History and Origins

Origin of Coolidge tube1

1910–15, Americanism; named after William D. Coolidge (1873–1975), U.S. physicist and chemist who devised it

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Coolidge, Calvincoolie