Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “nuclear winter”

nuclear winter

noun [C usually singular]     specialized
a period that scientists believe would follow a large nuclear explosion, when there would be very little light or heat and nothing would grow in the worldEnvironmental issuesRubbish and wasteProtection and protectorsColdSnow and ice
(Definition of nuclear winter noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of nuclear winter

Translations of “nuclear winter”

Word of the Day

well in (with)

to have a good relationship with someone in which they like you and from which you get an advantage

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More