American Heritage® Dictionary of the English Language, Fourth Edition
- n. An apparatus or model representing the solar system.
- n. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
- n. A building or room containing a planetarium, with seats for an audience.
Century Dictionary and Cyclopedia
- n. An astronomical machine which, by the movement of its parts, represents the motions and orbits of the planets. See orrery.
- n. A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
- n. An orrery.
GNU Webster's 1913
- n. An orrery. See orrery.
- n. an apparatus or model for representing the solar systems
- n. an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
- n. a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- From New Latin, formed from planet + -arium. (Wiktionary)
“So you wonder who actually wrote that bit, when a planetarium is an excellent example of exciting science education for students, yet it's dismissed so casually more than once.”
“(In homage to Nehru's interest in astronomy, the city's planetarium is next door.) 12: 10 A.M. INDIRA GANDHI”
“I'm sorry, did he call a planetarium "foolishness"?”
“The Gottorp Globe, the world’s first modern planetarium, is completed in Germany.”
“Mason's trip to the planetarium was a big success.”
“Outside the planetarium were a number of science exhibits, including an environmental-themed multimedia presentation.”
“Now celebrating its 75th anniversary, the planetarium was the first built in the Western hemisphere, and the first with a Zeiss, an optical projection device creating the illusion of a night sky.”
“Now, Hodge reports, the school has added a number of classrooms, an audiovisual room, computer lab, and even a planetarium, which is named for his wife, Marlene, a longtime champion of Project Nino who died in 2004.”
“Of course our planetarium is a fraction of the cost the structure itself is very expensive needless to say the projector.”
“McCain's "overhead projector" is the apparatus that runs the planetarium, which is a bit like calling the Palomar Observatory a new set of glasses.”
These user-created lists contain the word ‘planetarium’.
A list of words that are odd or words that I have looked up.
Some words that end in. . .you guessed it.
Per ardua ad astra.
Looking for tweets for planetarium.