Word: planetarium
Part of speech: Noun
Syllables: plan
e
tar
i
um
Definition: A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
Morphemes:
Affix: planet
Language: en
PoS: Noun
Meaning: Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
Etymology Compounds: Affix: πλανάω
Language: grc
Decoded: planao
Meaning: to wander
Affix: -της
Language: grc
Decoded: -tes
Meaning: agent noun
Affix: -arium
Language: en
PoS: Suffix
Meaning: A place associated with a specified thing.
Etymology Compounds: Affix: -ārium
Language: la
Decoded: -arium
PoS: Suffix
Meaning: Used to form nouns denoting a "place where things are kept" from other nouns.