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.