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radiomicrometer

[rey-dee-oh-mahy-krom-i-ter]
noun
  1. an instrument for measuring small amounts of radiant energy, consisting of a sensitive thermocouple connected to a galvanometer.
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Origin of radiomicrometer

First recorded in 1885–90; radio- + micrometer1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for radiomicrometer

radiomicrometer

noun
  1. an instrument for detecting and measuring small amounts of radiation, usually by a sensitive thermocouple
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012