English edit

Etymology edit

 
An 1888 lithograph of the eruption of Krakatoa in the Sunda Strait as it appeared on 27 May 1883. The massive eruption caused a volcanic winter which lasted until 1884.

From volcanic +‎ winter.

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Noun edit

volcanic winter (plural volcanic winters)

  1. (climatology) 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.
    Coordinate term: nuclear winter

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