hot zone

noun

Meaning

An area contaminated by hazardous materials, radiation, or infectious agents that requires special safety precautions to enter.

Examples

  • Emergency responders cordoned off the hot zone to prevent the public from being exposed to the chemical leak.
  • Only researchers with high-level clearance are permitted to work inside the hot zone of the laboratory.

Synonyms: danger zone, exclusion zone, contaminated area, red zone