a unit of magnetic moment, used to measure proton spin and approximately equal to 1/1836 .
See under magneton.
noun 1. diagnostic and therapeutic medical techniques using radionuclides or radioisotopes. noun 1. the branch of medicine concerned with the use of radionuclides in the diagnosis and treatment of disease nuclear medicine n. The branch of medicine that deals with the use of radionuclides in the diagnosis and treatment of disease.
noun, Biology. 1. the double membrane surrounding the nucleus within a cell. nuclear membrane n. The double-layered membrane enclosing the nucleus of a cell. Also called nuclear envelope. nuclear membrane See nuclear envelope.
- Nuclear ophthalmoplegia
nuclear ophthalmoplegia n. Ophthalmoplegia due to a lesion of the nuclei of origin of the motor nerves of the eye.
- Nuclear option
noun 1. the use of or power to use nuclear weapons 2. the use of or power to use a measure considered to be particularly drastic: the nuclear option of a confidence vote