eidouranion
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English
[edit]
Etymology
[edit]Neologism based on Ancient Greek εἶδος (eîdos, “that which is seen”) + οὐρανός (ouranós, “the firmament”) + -ιον (-ion, parasynthetic compound suffix).
Noun
[edit]eidouranion (plural eidouranions)
- (astronomy, historical) A kind of orrery that combined mechanical movement with a method of back projection.