Radioactive

Pronunciation: /ˌreɪdiːoʊˈæktɪv/

Radioactive (adjective)

  1. Giving off energy in the form of particles or rays.
  2. Containing or related to materials that can harm living things due to radiation.

Examples

  • The substance is highly radioactive and requires careful handling.
  • Radioactive materials can be used in medical treatments.

Common collocations: radioactive decay, radioactive isotope, emit radioactive particles, radioactive waste, radioactive contamination

Synonyms of Radioactive

Formal

Neutral

Antonyms of Radioactive

  • Describing substances that do not emit radiation.