51Թ

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atmospherium

[at-muhs-feer-ee-uhm]

noun

plural

atmospheria 
  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.



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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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