Radiation is the process of sending off energy in the form of light, heat, x-rays or nuclear particles.(noun)
See radiation in Webster's New World College Dictionary
Origin: L radiatio
See radiation in American Heritage Dictionary 4
See radiation in Ologies
See also physics.
the record produced by a bolometer.
a device used in bolometry.
the measurement of minute amounts of radiant energy, especially infrared spectra. —bolometrist, n. —bolometric, adj.
the capacity to transmit infrared radiation. —diathermanous, adj.
a device, carried or worn by people working near radiation for measuring the amount of radiation to which they are exposed.
the measurement by a dosimeter of the dosage of radiation a person might have received. See also drugs. —dosimetrist, n. —dosimetric, dosimetrical adj.
an instrument for measuring the emission of radiation in the form of visible light and identifying the substance that is its source. —fluorometric, adj.
the measurement of fluorescence, or visible radiation, by means of a fluorometer. —fluorometric, adj.
an examination by means of a screen coated with a fluorescent substance responsive to radiation from x rays. —fluoroscopic, adj.
the study of metals and their structures and properties by the use of microscopy and x rays.
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.
the sensitivity of some humans to radiation of various kinds, as in water divining or nonmedical diagnosis. —radiesthetic, adj.
the state, property, or process of being radioactive.
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.
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.
the study of metals and their structures by the use of x rays.
the study or observation of the inner structure of opaque materials by means of x rays or other radioactive substances. Also called curiescopy.
sensitivity to the effects of radiation, as of parts of the body. Also called radiosensitivity.
radiosensibility. —radiosensitive, adj.
the science and technology of applying radiation and x rays to industrial use. See also radio.
a method of treating diseases with x rays or the radiation from other radioactive substances. Also called actinotherapy. —radiotherapist, n. —radiotherapeutic, adj.
1. the treatment of disease with x rays or roentgen rays.
2. the effect of misuse or overexposure to these rays.
an x-ray photograph.
x-ray photography of a selected plane of the body by a method that eliminates the outline of structures in other planes. —tomographic, adj.
a process of recording x-ray images by electrostatic means. —xeroradiographic, adj.
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