transcription, транскрипция: [ reɪdioʊæktɪv ]
Something that is radioactive contains a substance that produces energy in the form of powerful and harmful rays.
The government has been storing radioactive waste at Fernald for 50 years.
ADJ
• radio‧ac‧tiv‧ity
...waste which is contaminated with low levels of radioactivity.
N-UNCOUNT