Radioactive

/ˌreɪdiəʊˈæktɪv/

adjective

Contains tiny pieces that send out energy which can be dangerous.

The old factory was closed because they found radioactive waste on the site.

Technical

Definition 1 of 2

Pro Tip 1/3

Radioactive substances are health hazards and can imply danger or sickness when mentioned.

Avoid the area due to the radioactive spill.

Pro Tip 2/3

Emphasize the invisible energy radiation emits, which requires special detection equipment.

Radiation detectors are needed to find radioactive sources.

Pro Tip 3/3

Use when discussing the potential of an object or place to spread harmful radiation.

Wear protective gear near radioactive materials.

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