radioactive

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radioactive /ˌreɪdijoʊˈæktɪv/ adjective
radioactive
/ˌreɪdijoʊˈæktɪv/
adjective
Learner's definition of RADIOACTIVE
[more radioactive; most radioactive]
: having or producing a powerful and dangerous form of energy (called radiation)

— radioactively

adverb

— radioactivity

/ˌreɪdijowækˈtɪvəti/ noun [noncount]
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