# volcanic winter

> English word · Noun · IPA /vɒlˌkænɪk ˈwɪntə/

## Definitions
1. A reduction in global temperatures caused by volcanic ash and droplets of sulfuric acid obscuring the Sun and raising Earth's albedo (increasing the reflection of solar radiation) after a large, particularly explosive volcanic eruption.

## Etymology
From volcanic + winter.

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