Standard Lemma guide

planetarium

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /plænɪˈtɛəɹɪəm/
  • Received-Pronunciation: /plænɪˈtɛːɹi.əm/
  • /plænɪˈtɛɚiəm/ without the Mary–marry–merry merger
  • /plænəˈtɛɚiəm/ without the Mary–marry–merry merger
  • Boston: /pleənɪˈteə.ɹiəm/
  • Recorded audio is listed in the source snapshot.
  • /plænɪˈtɛɹiəm/ Mary–marry–merry merger
  • /plænəˈtɛɹiəm/ Mary–marry–merry merger
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: P L AE2 N AH0 T EH1 R IY0 AH0 M Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Spacearium

Antonyms: none provided

2

noun

Meaning 2

An orrery.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

an apparatus or model for representing the solar systems

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: model, simulation

Narrower terms: orrery

4

noun

Meaning 4

an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: optical device

5

noun

Meaning 5

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: building, edifice

History

Etymology

Borrowed from New Latin planētārium. Equivalent to planet + -arium.

Across languages

Translations

60 source translations are retained for this English entry.

  • Albanian: planetar — museum which displays images of space
  • Armenian: պլանետարիում (planetarium) — museum which displays images of space
  • Asturian: planetariu — museum which displays images of space
  • Basque: planetario — museum which displays images of space
  • Belarusian: планета́рый (planjetáryj) — museum which displays images of space
  • Belarusian: плянэта́рый (pljanetáryj) — museum which displays images of space
  • Bulgarian: планета́риум (planetárium) — museum which displays images of space
  • Burmese: နက္ခတ်တာရာပြခန်း (nakhkattara-pra.hkan:) — museum which displays images of space
  • Catalan: planetari — museum which displays images of space
  • Chinese Cantonese: 天象儀 /天象仪 (tin1 zoeng6 ji4) — museum which displays images of space
  • Chinese Mandarin: 天象儀 /天象仪 (tiānxiàngyí) — museum which displays images of space
  • Chinese Mandarin: 天文館 /天文馆 (tiānwénguǎn) — museum which displays images of space
  • Czech: planetárium — museum which displays images of space
  • Danish: planetarium — museum which displays images of space
  • Dutch: planetarium — museum which displays images of space
  • Esperanto: planetario — museum which displays images of space
  • Estonian: planetaarium — museum which displays images of space
  • Finnish: planetaario — museum which displays images of space
  • French: planétarium — museum which displays images of space
  • Friulian: planetari — museum which displays images of space
  • Galician: planetario — museum which displays images of space
  • Georgian: პლანეტარიუმი (ṗlaneṭariumi) — museum which displays images of space
  • German: Planetarium — museum which displays images of space
  • Greek: πλανητάριο (planitário) — museum which displays images of space
  • Hindi: ताराघर (tārāghar) — museum which displays images of space
  • Hindi: नक्षत्रशाला (nakṣatraśālā) — museum which displays images of space
  • Hungarian: planetárium — museum which displays images of space
  • Icelandic: stjörnuver — museum which displays images of space
  • Ido: planetaro — museum which displays images of space
  • Indonesian: planetarium — museum which displays images of space
  • Irish: pláinéadlann — museum which displays images of space
  • Italian: planetario — museum which displays images of space
  • Japanese: プラネタリウム (puranetariumu) — museum which displays images of space
  • Japanese: 天象儀 (tenshōgi) — museum which displays images of space
  • Korean: 천문관 (cheonmun'gwan) — museum which displays images of space
  • Korean: 플라네타륨 (peullanetaryum) — museum which displays images of space
  • Latvian: planetārijs — museum which displays images of space
  • Lithuanian: planetariumas — museum which displays images of space
  • Macedonian: планетариум (planetarium) — museum which displays images of space
  • Malay: planetarium — museum which displays images of space
  • Malay: balai cerap — museum which displays images of space
  • Māori: whare rangihori — museum which displays images of space
  • Norwegian Bokmål: planetarium — museum which displays images of space
  • Norwegian Nynorsk: planetarium — museum which displays images of space
  • Polish: planetarium — museum which displays images of space
  • Portuguese: planetário — museum which displays images of space
  • Romanian: planetariu — museum which displays images of space
  • Russian: планета́рий (planetárij) — museum which displays images of space
  • Serbo-Croatian: планѐта̄риј — museum which displays images of space
  • Serbo-Croatian: планетаријум — museum which displays images of space
  • Serbo-Croatian: planètārij — museum which displays images of space
  • Serbo-Croatian: planetarijum — museum which displays images of space
  • Slovak: planetárium — museum which displays images of space
  • Spanish: planetario — museum which displays images of space
  • Swedish: planetarium — museum which displays images of space
  • Thai: ท้องฟ้าจําลอง (tɔ́ɔng-fáa-jam-lɔɔng) — museum which displays images of space
  • Turkish: planetaryum — museum which displays images of space
  • Ukrainian: планета́рій (planetárij) — museum which displays images of space
  • Uzbek: planetariy — museum which displays images of space
  • Vietnamese: cung thiên văn — museum which displays images of space
Real reading context

planetarium in complete knowledge articles