Crookes radiometer
Origin of Crookes radiometer
1First recorded in 1880–85; after Sir W. Crookes
Words Nearby Crookes radiometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use Crookes radiometer in a sentence
Another illustration of the power of cooled charcoal to produce high vacua is afforded by a Crookes radiometer.
British Dictionary definitions for Crookes radiometer
Crookes radiometer
noun
physics a type of radiometer consisting of an evacuated glass bulb containing a set of lightweight vanes, each blackened on one side. The vanes are mounted on a vertical axis and revolve when light, or other radiant energy, falls on them
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
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