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atmospherium
[at-muhs-feer-ee-uhm]
noun
plural
atmospheriaan optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
a building in which this projection system is used.
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51Թ History and Origins
Origin of atmospherium1
First recorded in 1955–60; atmospher(e) ( def. ) + (planetar)ium ( def. )
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