RADIOACTIVE


Meaning of RADIOACTIVE in English

[adjective]Radioactive means possessing or producing the energy which comes from the breaking up of atoms.a radioactive gasUranium is a radioactive material.The core of a nuclear reactor is highly radioactive.Radioactive also means resulting from the production of the energy which comes from the breaking up of atoms.The production and storage of radioactive waste is a major international environmental issue.

Cambridge English vocab.      Кембриджский английский словарь.