A period of abnormal cold and darkness predicted to follow a nuclear war, caused by a layer of smoke and dust in the atmosphere blocking the sun’s rays.
More example sentences
- As the soot from burning cities and vegetation would result in a nuclear winter following atomic Armageddon, so the billions of tonnes of sulphuric acid in the stratosphere following Toba would mean perpetual darkness and cold for years.
- On the other end of the eschatological scale we find visions of societal breakdown, chaos, nuclear winter and heat death - a spectacle of humanity driven by its own frailties and technological hubris to its ultimate destruction.
- It may not have been exactly amicable, but nor was it exactly the nuclear winter that now exists between the party leadership and FitzGerald.
Definition of nuclear winter in:
- The US English dictionary