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 ?
The international astronomers and science experts will be at Thinktank Birmingham Science Museum for the twoday British Association of Planetaria Conference on September 19 and 20.
ACADEMICS fascinated by astronomy will gather in Newcastle this week for the 2013 British Association of Planetaria conference.
Chairman PIA Institute of Planetaria Dilawar Farid Beg, Secretary Information Azmat Hanif Aurakzai, CCPO Peshawar Liaqat Khan, Director Planetarium Peshawar Sardar Khan, Station Director PIA and other staff of PIA was also present on this occasion.