radioactive
/ˌreɪdiəʊˈæktɪv/adjective
उच्चारण रेडिओऐक्टिव
रेडियोधर्मी
Core word
adjective
- 1
sending out harmful radiation caused when the nuclei of atoms break up
रेडियोधर्मी
- radioactive waste
- Hospitals must store radioactive material in sealed containers lined with lead.
- Uranium is a radioactive element.
+ 2 more examples
- Workers wear special suits near radioactive material.
- The radioactive waste was buried deep underground.
◇Word family
radioactivity noun
✓In the exam
General knowledge
Science: radioactivity was discovered by Henri Becquerel; Marie Curie discovered radium and polonium.
विज्ञान में रेडियोधर्मिता की खोज Henri Becquerel ने की; Marie Curie ने radium और polonium खोजे।