planetarium

plan·e·tar·i·um  (pln-târ-m)

n. pl. plan·e·tar·i·ums or plan·e·tar·i·a (--)

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.

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planetarium

Noun

pl -iums or -ia

1. an instrument for projecting images of the sun, moon, stars, and planets onto a domed ceiling

2. a building in which such an instrument is housed

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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

Thesaurus

Noun	1.	planetarium - 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 [plænɪˈtɛərɪəm] n → planetario

planetarium [plænɪˈtɛərɪəm] n → planétarium m

planetarium [plænɪˈtɛərɪəm] planet n → Planetarium nt

planetarium [plænɪˈtɛərɪəm] n → planetario