radioactively
- r in a radioactive manner
radioactively labeled
- Finally, if specific surface characteristics of cells are found to be associated with only certain types of cancer, radioactively tagged antibodies could be sent to find the cells .
- When it slowly decays radioactively, it yields protoactinium 231 and thorium 230, both of which attach themselves to sediment particles and sink slowly to the bottom.
- The crippled reactor itself was unapproachable--too hot from the fire ravaging it, too dangerous radioactively.