radioactive dating
— Navneord
– Engelsk
～ measurement of the amount of radioactive material (usually carbon 14) that an object contains; can be used to estimate the age of the object
radioactive dust
— Navneord
– Engelsk
～ the radioactive particles that settle to the ground after a nuclear explosion
radioactive decay
— Navneord
– Engelsk
～ the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation