• adjective
• synonym
• antonym

• high-level radioactive waste (noun)
  1. radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed
• low-level radioactive waste (noun)
  1. as in certain medical tests medicine radioactive waste consisting of objects that have been briefly exposed to radioactivity
• radioactive dating (noun)
  1. a scientific method of calculating the age of a very old object by measuring the amount of a certain substance in it [=  carbon dating British English]
• radioactive decay (noun)
  1. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
• radioactive dust (noun)
  1. the radioactive particles that settle to the ground after a nuclear explosion
• radioactive iodine excretion test (noun)
  1. radioactive iodine test that measures the amount of radioactive iodine excreted in the urine
• radioactive iodine test (noun)
  1. test of thyroid function in which the patient is given an oral dose of radioactive iodine-131
• radioactive iodine uptake test (noun)
  1. radioactive iodine test that measures the amount of radioactive iodine taken up by the thyroid gland
• radioactive material (noun)
  1. material that is radioactive
• radioactive tracer (noun)
  1. a radioactive isotope used to trace chemical or biological processes using radiation detection devices
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