[at-muh s-feer-ee-uh m]
noun, plural at·mos·pher·i·a [at-muh s-feer-ee-uh] /ˌæt məsˈfɪər i ə/.
an 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.
- atmospheric perspective,
- atmospheric pressure,
- atmospheric tide,
- atmospheric window,
Origin of atmospherium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019