Using a radioactive substance / Concerning radioactivity

(uncountable) The detection and locating of distant objects using microwave radiation; especially radar / (uncountable) The locating of an object that is fitted with a radio tag

Of or pertaining to radiation, radioactivity or nuclear weapons.

the transmission of sound (in both directions) using modulated radio waves rather than wires

(physics) Any of several processes by which unstable nuclei emit subatomic particles and/or ionizing radiation and disintegrate into one or more smaller nuclei.

A therapist who specialises in radiotherapy

Synonym of radioactive dating

The process of determining the age of a material by estimating the amount of radioactive decay of one or more radioisotopes present in the material when it was formed.

plural of radioactive

present participle of radioactivate