Associations to the word «Planetarium»

Wiktionary

PLANETARIUM, noun. A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
PLANETARIUM, noun. An orrery.

Dictionary definition

PLANETARIUM, noun. A building housing an instrument for projecting the positions of the planets onto a domed ceiling.
PLANETARIUM, noun. An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
PLANETARIUM, noun. An apparatus or model for representing the solar systems.

Wise words

Don't use words too big for the subject. Don't say "infinitely" when you mean "very"; otherwise you'll have no word left when you want to talk about something really infinite.
C. S. Lewis