| X-ray dosimetry | Measurement of an administered therapeutic or diagnostic dose and the penetrating power of X-rays. Synonym: X-ray dosimetry. (05 Mar 2000) |
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| dosimetry | Measurement of radiation exposure, especially X-rays or gamma rays; calculation of radiation dose from internally administered radionuclides. (05 Mar 2000) |
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| thermoluminescence dosimetry | The calculation of a radiation dose by measuring the light output after heating a special absorbent material (e.g., lithium fluoride) placed in the radiation beam; the light output is proportional to the amount of radiation exposure. (05 Mar 2000) |
| film dosimetry | Use of a device (film badge) for measuring exposure of individuals to radiation. It is usually made of metal, plastic, or paper and loaded with one or more pieces of X-ray film. (12 Dec 1998) |