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atmospherium

 - 2 dictionary results

at⋅mos⋅pher⋅i⋅um

  [at-muhs-feer-ee-uhm]
Use atmospherium in a Sentence
–noun, plural -pher⋅i⋅a [‑feer-ee-uh] .
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.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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at·mo·spher·i·um   (āt'mə-sfîr'ē-əm)   
n.   pl. at·mo·spher·i·a (-ē-ə)
An optical device designed to project images of atmospheric phenomena, such as clouds, on the inside of a dome.

[atmospher(e) + (planetar)ium.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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