PLANETARIUM

planetarium

(noun) an apparatus or model for representing the solar systems

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) a building housing an instrument for projecting the positions of the planets onto a domed ceiling

Source: WordNet® 3.1


Etymology

Noun

planetarium (plural planetariums or planetaria)

A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.

An orrery.

Anagrams

• retapamulin

Source: Wiktionary


Plan`e*ta"ri*um, n. Etym: [NL.: cf. F. planétaire. See Planetary.]

Definition: An orrery. See Orrery.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

18 March 2025

ODONTOGLOSSUM

(noun) any of numerous and diverse orchids of the genus Odontoglossum having racemes of few to many showy usually large flowers in many colors


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Coffee Trivia

Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.

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