释义 |
noun Physics.a cathode ray tube, used for x-ray production, in which a beam of thermoelectrons is produced by heating a wire cathode. Origin of Coolidge tube1910–15, Americanism; named after William D. Coolidge (1873–1975), U.S. physicist and chemist who devised it Words nearby Coolidge tubeCoolgardie safe, cool-headed, cool hunter, Coolidge, Coolidge, Calvin, Coolidge tube, coolie, coolie hat, cooling board, cooling degree-day, cooling-off period Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |