atmospherium

[ at-muhs-feer-ee-uhm ]
noun,plural at·mos·pher·i·a [at-muhs-feer-ee-uh]. /ˌæt məsˈfɪər i ə/.

  1. an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.

  2. a building in which this projection system is used.

Origin of atmospherium

1
First recorded in 1955–60; atmospher(e) + (planetar)ium

Words Nearby atmospherium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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