air shower

noun

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

Word History and Origins

Origin of air shower¹

First recorded in 1955–60

Example Sentences

Each macro-building would have an air shower at its entrance, which visitors would use to sterilize microbes and other potentially harmful matter.

From Singularity Hub 

With its 1,600 particle detectors and 27 telescopes dotting a patch of Argentinian prairie the size of Rhode Island, the observatory had recorded the air showers of hundreds of thousands of ultrahigh-energy cosmic rays over the previous 13 years.

From Quanta Magazine

Measuring 2,500 sq ft, the suite boasts three bedrooms, a fruit garden, an open air shower and its own lotus pond.

From The Daily Beast