Radioactivity definition

Radioactivity means the transformation of unstable atomic nuclei by the emission of radiation.
Radioactivity means the disintegration of unstable atomic nuclei by emission of radiation.
Radioactivity means the spontaneous, uncontrollable disintegration of the nucleus of an atom with the emission of particles and rays.

Examples of Radioactivity in a sentence

  • Radioactivity or the use, existence or escape of any nuclear fuel, nuclear material, or nuclear waste or action of nuclear fission or fusion.

  • Any Property in the High Radioactivity Zone or Area of any Nuclear Installation as from the introduction of Nuclear Material or - for reactor installations - as from fuel loading or first criticality where so agreed with the relevant local Nuclear Insurance Pool and/or Association.

  • Radioactivity measurement standardization and monitoring techniques and instruments.

  • Radionuclides to be present in excess of the maximum contaminant levels specified in Table 4 (MCL Radioactivity) of Section 64443 of Title 22 of the California Code of Regulations.

  • Completed a minimum of two hundred (200) contact hours of instruction in nuclear pharmacy and the safe handling and the use of radioactive materials from a program approved by the Mississippi Board of Pharmacy, and United States Nuclear Regulatory Commission or Agreement State Agency, with emphasis in the following areas: (a)Radiation Physics and Instrumentation; (b)Radiation Protection; (c)Mathematics of Radioactivity; (d)Radiation Biology; (e)Radiopharmaceutical Chemistry.


More Definitions of Radioactivity

Radioactivity means the transformation of unstable atoms by the emission of radiation.
Radioactivity means emission of electromagnetic energy or particles or both during the transformation of unstable atomic nuclei.
Radioactivity means the disintegration of unstable atomic nuclei with the emission of radiation.
Radioactivity means the transformation of unstable atomic nuclei by the emission of radiation. "Radiobioassay" (See "Bioassay").
Radioactivity means the transformation of unstable atoms by the emission of radiation. (138) (139) "Radiography" means the same as industrial radiography.
Radioactivity means ionizing radiations from or contamination by radioactivity from nuclear fuel, nuclear waste, or the radioactive properties of any nuclear installation, reactor or other nuclear assembly.
Radioactivity means the transformation of un­ stable atomic nuclei by the emission of radiation.