
1) Instrument used in physics 2) Meter
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1) Radiomicrometer
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A radiometer or roentgenometer is a device for measuring the radiant flux (power) of electromagnetic radiation. Generally, the term radiometer denotes an infrared radiation detector or Ultraviolet detector yet it also includes detectors operating on any electromagnetic wavelength. The name Radiometer is frequently used to refer to a Crookes radiom...
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http://en.wikipedia.org/wiki/Radiometer

instrument measuring radiation energy
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http://phrontistery.info/r.html

Instrument to measure total energy or power from an object in the form of radiation, especially infrared radiation.
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• (n.) An instrument designed for measuring the mechanical effect of radiant energy. • (n.) A forestaff.
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http://thinkexist.com/dictionary/meaning/radiometer/

instrument for detecting or measuring radiant energy. The term is applied in particular to devices used to measure infrared radiation. Radiometers ... [1 related articles]
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http://www.britannica.com/eb/a-z/r/4

An instrument that detects and measures the intensity of thermal radiation, especially infrared radiation. Satellites often carry radiometers to measure radiation from clouds, snow, ice, bodies of water, Earth`s surface and the Sun.
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http://www.daviddarling.info/encyclopedia/R/radiometer.html

instrument for measuring radiometric quantities
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-05-06

1. A forestaff. ... 2. <physics> An instrument designed for measuring the mechanical effect of radiant energy. ... It consists of a number of light discs, blackened on one side, placed at the ends of extended arms, supported on an a pivot in an exhausted glass vessel. When exposed to rays of light or heat, the arms rotate. ... Origin: L. Radi...
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http://www.encyclo.co.uk/local/20973

(ra″de-om´ә-tәr) an instrument for estimating x-ray quantity. an instrument in which radiant heat and light may be directly converted into mechanical energy. an instrument for measuring the penetrating power of radiant energy.
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http://www.encyclo.co.uk/local/21001

An instrument for detecting and measuring electromagnetic radiation. Satellite radiometers detect the radiation (both visible and infra red) reflected from the Earth below. As Meteosat spins (at 100 rpm), its radiometer telescope scans the surface of the earth and clouds, building up an electronic picture of the surface. See also AVHRR.
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Ra`di·om'e·ter (-ŏm'e*tẽr)
noun [ Latin
radius radius +
-meter : confer French
radiomètre .]
1. (Nautical) A forestaff.
2. (Physics) An instrument designed for measuring the mechanical effect of radiant energy. » It consists of...
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http://www.encyclo.co.uk/webster/R/4

A device for measuring the intensity or accumulation of radiant energy.
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Type: Term Pronunciation: rā′dē-om′ĕ-tĕr Definitions: 1. A device for determining the penetrative power of x-rays. Synonyms: roentgenometer
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http://www.medilexicon.com/medicaldictionary.php?t=74974

General name for an instrument used to measure radiation over a specific wavelength range.
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http://www.physicalgeography.net/physgeoglos/r.html

A radiometer is an instrument for measuring the mechanical effect of radiant energy. It consists of four crossed arms of very fine glass supported in the centre by a needle-point, and having at the ends thin pith discs blackened on one side. The instrument is placed in a glass vessel exhausted of air and when exposed to light the arms revolve. It w...
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http://www.probertencyclopaedia.com/browse/GR.HTM

[
n] - meter to detect and measure radiant energy (electromagnetic or acoustic)
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http://www.webdictionary.co.uk/definition.php?query=radiometer

roentgenometer, radiometer 1. An instrument for measuring the intensity of radiation. 2. An instrument designed for measuring the mechanical effect of radiant energy. It consists of a number of light discs, 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...
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http://www.wordinfo.info/words/index/info/view_unit/1302/35
noun meter to detect and measure radiant energy (electromagnetic or acoustic)
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https://www.encyclo.co.uk/local/20974
No exact match found.