342. Radiation


See also 316. PHYSICS .

actinotherapy
radiotherapy.
bolograph
the record produced by a bolometer.
bolometer
a device used in bolometry.
bolometry
the measurement of minute amounts of radiant energy, especially infrared spectra. — bolometrist, n. bolometric, adj.
curiescopy
radioscopy.
diathermancy
the capacity to transmit infrared radiation. — diathermanous, adj.
dosimeter
a device, carried or worn by people working near radiation for measuring the amount of radiation to which they are exposed.
dosimetry
the measurement by a dosimeter of the dosage of radiation a person might have received. See also 130. DRUGS . — dosimetrist, n. dosimetric, dosimetrical adj.
fluorometer
an instrument for measuring the emission of radiation in the form of visible light and identifying the substance that is its source. — fluorometric, adj.
fluorometry
the measurement of fluorescence, or visible radiation, by means of a fluorometer. — fluorometric, adj.
fluoroscopy
an examination by means of a screen coated with a fluorescent substance responsive to radiation from x rays. — fluoroscopic, adj.
metallography
the study of metals and their structures and properties by the use of microscopy and x rays.
pyelography
the science or technique of making x-ray photographs of the kidneys, renal pelves, and ureters, using injection of opaque solutions or radiopaque dyes. — pyelographic, adj.
radiesthesia
the sensitivity of some humans to radiation of various kinds, as in water divining or nonmedical diagnosis. — radiesthetic, adj.
radioactivity
the state, property, or process of being radioactive.
radiography
the production of photographic images on film using radiation from other radioactive substances instead of light. Also called x-ray scotography, shadowgraphy . — radiograph, radiographer, n. radiographic, radiographical, adj.
radiology
1. the science that studies x rays or radiation from radioactive substances, esp. for medical purposes.
2. the examination or photographing of parts of the body with such rays.
3. the interpretation of the resulting photographs. — radiologist, n. radiologie, radiological, adj.
radiometallography
the study of metals and their structures by the use of x rays.
radioscopy
the study or observation of the inner structure of opaque materials by means of x rays or other radioactive substances. Also called curiescopy .
radiosensibility
sensitivity to the effects of radiation, as of parts of the body. Also called radiosensitivity .
radiosensitivity
radiosensibility. — radiosensitive, adj.
radiotechnology
the science and technology of applying radiation and x rays to industrial use. See also 343. RADIO .
radiotherapy
a method of treating diseases with x rays or the radiation from other radioactive substances. Also called actinotherapy . — radiotherapist, n. radiotherapeutic, adj.
roentgenism, röntgenism
1. the treatment of disease with x rays or roentgen rays.
2. the effect of misuse or overexposure to these rays.
roentgenogram, röntgenogram
an x-ray photograph.
roentgenography, röntgenography
x-ray photography.
scotograph
a radiograph.
shadowgraphy
radiography.
tomography
x-ray photography of a selected plane of the body by a method that eliminates the outline of structures in other planes. — tomographic, adj.
xeroradiography
a process of recording x-ray images by electrostatic means. — xeroradiographic, adj.
x-ray scotography
radiography.

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