adjective:having or producing a powerful and dangerous form of energy (called radiation)
adjective:of, caused by, or exhibiting 'radioactivity'
synonyms: hot
Examples
Uranium and plutonium are 'radioactive'.
Movie clips
Movie quotes
(..) And sure, i could choose to think about the fact that I'm warm... Because I have a decaying radioactive isotope riding right behind me... But right now, I got bigger problems on my hands. Yeah. Where is watney going? (..)