radioactive substance
/,reɪdioʊ'æktɪv_'səbstəns/
Definition that contains radioactive substance
- radiation (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
- decay the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
- disintegration the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
- irradiation (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
- radiotherapy (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
- radiologist a medical specialist who uses radioactive substances and X-rays in the treatment of disease
- atomic cocktail an oral dose of radioactive substance used in treatment and diagnosis of cancer
- radioactive decay the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
- target organ (radiology) organ intended to receive the therapeutic dose of a radioactive substance
- half life the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)