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

  • Radioactivity This policy does not cover any total loss caused by: – Ionising radiation or radioactive contamination from nuclear fuel or from burning nuclear fuel; or – Radioactive, poisonous, explosive or other dangerous properties of any explosive nuclear machinery or any part of it.


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 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.