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radiometric (adj.)
"pertaining to the radiometer or to experiments performed by it," 1877, from radiometer "instrument to transform radiant energy into mechanical work" (1875), radiometry, from radio-, here indicating "radiant energy," + -metric. Previously radiometer was the name of an old cross-staff instrument for measuring angles. Radiometric dating is attested from 1906.
updated on March 25, 2021
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Dictionary entries near radiometric
radiocast
radiography
radioisotope
radiolarian
radiology
radiometric
radioscopy
radio-telephone
radiotherapy
radish
radium