Dictionary.com

atmospherium

[ at-muhs-feer-ee-uhm ]
/ ˌæt məsˈfɪər i əm /
Save This Word!

noun, plural at·mos·pher·i·a [at-muhs-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.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of atmospherium

First recorded in 1955–60; atmospher(e) + (planetar)ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
FEEDBACK