radioactivityThe state of emitting radiation
Definitions:
The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
disasterA sudden event that causes a lot of destruction or loss of life
Definitions:
A sudden event, such as an accident or a natural catastrophe, that causes great damage or loss of life.
evacuationDifferent people moving out from a dangerous place.
Definitions:
The action of evacuating a person or a place.
contaminationMaking a place or substance dirty or polluted, especially with harmful substances
Definitions:
The action or state of making or being made impure by polluting or poisoning.
catastropheA momentous tragic event ranging from extreme misfortune to utter overthrow or ruin.
Definitions:
An event causing great and often sudden damage or suffering; a disaster.