por: radioactividade

Information
has URI	http://lexvo.org/id/term/por/radioactividade

Meaning
means	(noun) the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation radioactive decay, decay, disintegration
means	(noun) the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay radioactivity, radiation
means	(noun) (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity" activity