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air shower

American  

noun

  1. a shower of secondary cosmic radiation, caused by the interaction of cosmic radiation or gamma radiation with the atmosphere.

Etymology

Origin of air shower

First recorded in 1955–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But despite the ostrich feathers, and a dust prevention system that involves visitors to the paintshop first going through an "air shower" chamber to remove loose fibres from clothes, some dust still gets through.

From BBC • Oct. 15, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.