planetarium

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plan·e·tar·i·um

 (plăn′ĭ-târ′ē-əm)
n. pl. plan·e·tar·i·ums or plan·e·tar·i·a (-ē-ə)
1. An apparatus or model representing the solar system.
2.
a. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
b. A building or room containing a planetarium, with seats for an audience.

planetarium

(ˌplænɪˈtɛərɪəm)
n, pl -iums or -ia (-ɪə)
1. (Astronomy) an instrument for simulating the apparent motions of the sun, moon, and planets against a background of stars by projecting images of these bodies onto the inside of a domed ceiling
2. (Astronomy) a building in which such an instrument is housed
3. (Astronomy) a model of the solar system, sometimes mechanized to show the relative motions of the planets

plan•e•tar•i•um

(ˌplæn ɪˈtɛər i əm)

n., pl. -tar•i•ums, -tar•i•a (-ˈtɛər i ə)
1. an apparatus or model representing the solar system.
2. a device that produces a representation of the heavens by the use of moving projectors.
3. the building or room in which such a device is housed.
[1765–75; < New Latin, n. use of neuter of Latin planētārius planetary]

planetarium

1. a representation of the planetary system, particularly one in which the movements of the planets are simulated by projectors.
2. a room or building housing such an apparatus.
See also: Astronomy, Planets
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.planetarium - a building housing an instrument for projecting the positions of the planets onto a domed ceilingplanetarium - a building housing an instrument for projecting the positions of the planets onto a domed ceiling
building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
planetarium - an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
2.planetarium - an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
optical device - a device for producing or controlling light
planetarium - a building housing an instrument for projecting the positions of the planets onto a domed ceiling
3.planetarium - an apparatus or model for representing the solar systems
simulation, model - representation of something (sometimes on a smaller scale)
orrery - planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock
Translations

planetarium

[ˌplænɪˈtɛərɪəm] N (planetariums or planetaria (pl)) [ˌplænɪˈtɛərɪə]planetario m

planetarium

[ˌplænɪˈtɛəriəm] nplanétarium m

planetarium

nPlanetarium nt

planetarium

[ˌplænɪˈtɛərɪəm] nplanetario
References in periodicals archive ?
According to Dale Smith, Editor of the International Planetarium Society's Directory of the World's Planetariums, there are 1,401 planetariums of all sizes (permanent and portable) in the United States, and 1,789 in other countries.
It reopens Tuesday with state-of-the-art equipment that places it among only 100 planetariums in the world where sophistication is concerned, according to Alexander Goldowsky, the EcoTarium's director of exhibits and education.
Griffith Observatory may be closed for renovations until early in 2006, but for the star-struck, Los Angeles has planetariums aplenty, and visitors of all ages are flocking to them.
Because of financial problems - planetariums worldwide rarely pay their own way as independent facilities - the education district had entered into an agreement with the Lane County Fair Board 18 months ago to take over the operation of the planetarium.
The Digistar 3 was launched at the International Planetarium Society meeting in the summer of 2002 and quickly became the world's leading digital planetarium system, offering a single integrated full-dome digital projection system for planetariums regardless of dome size.
Fortunately the people and organizations behind many other big-city planetariums are more enlightened.
Planetariums require expensive equipment and specialized buildings and, if operated primarily as an educational tool, can't charge high admission fees to lower-income families.
The goal is to exchange ideas in teaching and to discover what's new in the science of the stars, including equipment designed for planetariums.
E&S and Spitz are now able to provide our customers the finest combination of products, technology and services, together with the largest library of digital show content for planetariums, science museums and educational venues throughout the world," continued Oyler.
With this phrase, millions of visitors are welcomed each year to planetariums around the world.
Planetariums have great appeal to the general public.
Under our new structure, we believe we will be the world leader in digital theaters, planetariums, and projection domes.