# nuclear winter

> English word · Noun

## Definitions
1. A predicted drop in global temperature following a nuclear war due to dust in the upper atmosphere reducing sunlight reaching the ground.

## Etymology
Coined by Richard P. Turco et al. in a 1983 paper.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nuclear-winter