nuclear winter

nuclear winter

n.

A worldwide darkening and cooling of the atmosphere with consequent devastation of surviving life forms, believed by some scientists to be a probable outcome of large-scale nuclear war.

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nuclear winter

Noun

a theoretical period of low temperatures and little light that has been suggested would occur after a nuclear war

Thesaurus

Noun

1.

nuclear winter - a long period of darkness and extreme cold that scientists predict would follow a full-scale nuclear war; a layer of dust and smoke in the atmosphere would cover the earth and block the rays of the sun; most living organisms would perish cataclysm, catastrophe - a sudden violent change in the earth's surface