Radioactivity definition

Radioactivity means the transformation of unstable atomic nuclei by the emission of radiation.
Radioactivity means the disintegration of unstable atomic nuclei by the 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 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.

  • Radiological monitoring programme 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.


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 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 un­ stable atomic nuclei by the emission of radiation.
Radioactivity means the transformation of unstable atoms by the emission of radiation. (138) (139) "Radiography" means the same as industrial radiography.