Radioactivity symbol Synonyms

Definitions for Radioactivity


  • (noun) the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

Definitions for Symbol


  • (noun) a device , design , or figure used as an identifying mark
  • (noun) a written or printed mark that is meant to convey information to the reader
  • (noun) something visible that by association or convention represents something else that is invisible