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radiometer
(redirected from radiometry)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
radiometer /ra·di·om·e·ter/ (ra″de-om´ĕ-ter) an instrument for detecting and measuring radiant energy.
ra·di·om·e·ter (rd-m-tr)
n.
1. A device that measures the intensity of radiant energy, consisting of a partially evacuated glass bulb containing lightweight vertical vanes, each blackened on one side, suspended radially about a central vertical axis to permit their revolution about the axis as a result of incident radiation.
2. An instrument that detects electromagnetic radiation.
3. A device for determining the penetrative power of x-rays.
radi·ome·try (-tr) n.
radiometer
1. an instrument for estimating x-ray quantity.
2. an instrument in which radiant heat and light may be directly converted into mechanical energy.
3. an instrument for measuring the penetrating power of radiant energy.


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