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Radiometer   Listen
noun
Radiometer  n.  
1.
(Naut.) A forestaff.
2.
(Physics) An instrument designed for measuring the mechanical effect of radiant energy. Note: It consists of a number of light disks, blackened on one side, placed at the ends of extended arms, supported on a pivot in an exhausted glass vessel. When exposed to rays of light or heat, the arms rotate.





Collaborative International Dictionary of English 0.48


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"Radiometer" Quotes from Famous Books



... using the fan in this experiment, we may use the "electric" radiometer with similar effect. But in this case it will be found that the vanes will rotate only at high exhaustion or at ordinary pressures; they will not rotate at moderate pressures, when the air is highly conducting. ...
— Experiments with Alternate Currents of High Potential and High - Frequency • Nikola Tesla


Words linked to "Radiometer" :   meter, radiomicrometer, Rayleigh disk


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