radiometer /ra·di·om·e·ter/ (ra″de-om´ĕ-ter) an instrument for detecting and measuring radiant energy.
ra·di·om·e·ter (r  d - m  -t r)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. ra di·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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