radioactive

Pronunciation

• (UK) IPA ^(key): /ˌreɪdioʊˈaktɪv/
• (US) IPA ^(key): /ˌreɪdioʊˈæktɪv/

• Audio (UK)

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Adjective

Positive radioactive

Comparative more radioactive

Superlative most radioactive

1. Radioactive is something which shows radioactivity.

   The metal was radioactive.