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

  • The Vessel shall not be obliged to proceed or required to continue to or through or remain at, a port, place, area or zone, or waterway or canal which exposes the Vessel, her cargo, crew or other persons on board the Vessel to danger from levels of Radioactivity, determined by a competent national or international authority (including the International Atomic Energy Authority and the World Health Organization) to be harmful to human health.

  • Radioiodine concentrated in a wetland, Journal of Environmental Radioactivity 131 (2014) 57-61.

  • Radioactivity This policy does not cover any Total Loss that is the direct or indirect consequence of: • Irradiation, or contamination by nuclear material; or • The radioactive, toxic, explosive or other hazardous or contaminating properties of any radioactive matter; or • Any device or weapon which employs atomic or nuclear fission or fusion or other comparable reaction or radioactive force or matter.

  • The FSS will be responsible for agreeing with SEPA their level of contribution to the production of the annual Radioactivity in Food and the Environment reports.

  • The FSA will continue to have representation on Environmental Radioactivity Monitoring Task Team (ERMTT), to maintain its involvement in working for a consistent approach in monitoring and surveillance across the UK and ensure practice complies with national and international legal requirements.


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 transformation of unstable atomic nuclei by the emission of radiation. "Radiobioassay" (See "Bioassay").
Radioactivity means the disintegration of unstable atomic nuclei with the emission of radiation.
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 property of certain isotopes of the basic elements of spontaneously emitting nuclear particles or gamma radiation or of emitting x-radiation following orbital electron capture or of undergoing spontaneous fission.
Radioactivity means the transformation of unstable atoms by the emission of radiation. (138) (139) "Radiography" means the same as industrial radiography.