planetarium
noun
plan·e·tar·i·um
ˌpla-nə-ˈter-ē-əm 
plural planetariums or planetaria
ˌpla-nə-ˈter-ē-ə
1
: a model or representation of the solar system
2
a
: an optical device for projecting various celestial images and effects
b
: a building or room housing such a projector
Examples of planetarium in a Sentence
Recent Examples on the Web
This grant, combined with other campaign dollars, will help to bring new planetarium shows to the Loch Haven Park museum along with big-screen movies and laser light shows.
—
Patrick Connolly, Orlando Sentinel, 19 Dec. 2024
Beyond representing actors in theater, Equity has won representation for the characters and parade departments at Disneyland, planetarium lecturers in Los Angeles and Drunk Shakespeare companies.
—Caitlin Huston, The Hollywood Reporter, 8 Oct. 2024
From biology and physics to exploring how the mind works, the museum boasts more than 175 interactive exhibits, along with its own planetarium.
—Rachel Wegner, The Tennessean, 3 June 2024
Book now with Kosmos Snow King Mountain Snow King Mountain in Jackson Hole, Wyoming is home to one of the United States’ only mountainside observatories and planetariums.
—Hannah Towey, Condé Nast Traveler, 26 Sep. 2024
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Patrick Connolly, Orlando Sentinel, 19 Dec. 2024
Beyond representing actors in theater, Equity has won representation for the characters and parade departments at Disneyland, planetarium lecturers in Los Angeles and Drunk Shakespeare companies.
—Caitlin Huston, The Hollywood Reporter, 8 Oct. 2024
From biology and physics to exploring how the mind works, the museum boasts more than 175 interactive exhibits, along with its own planetarium.
—Rachel Wegner, The Tennessean, 3 June 2024
Book now with Kosmos Snow King Mountain Snow King Mountain in Jackson Hole, Wyoming is home to one of the United States’ only mountainside observatories and planetariums.
—Hannah Towey, Condé Nast Traveler, 26 Sep. 2024
See all Example Sentences for planetarium
Dictionary Entries Near planetarium
Cite this Entry
“Planetarium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planetarium. Accessed 7 Jan. 2025.
Copy CitationKids Definition
planetarium
noun
plan·e·tar·i·um
ˌplan-ə-ˈter-ē-əm
plural planetariums or planetaria
-ē-ə
1
: a device that projects images of heavenly bodies on a ceiling shaped like a dome
2
: a building or room housing a planetarium
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