Meanings
nounpolyoptrum (plural not attested)
- historicalno pluralAn old kind of kaleidoscope
Origin
- Ancient Greekεἴσ-οπτρον
- Englishpolyoptrum
From poly- + -optrum (compare Ancient Greek εἴσ-οπτρον (eís-optron), ἔσ-οπτρον (és-optron, “mirror”)).
More words from Ancient Greek
Full word history & related roots →Cite this entry
APA
polyoptrum. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/polyoptrum
MLA
“polyoptrum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polyoptrum. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “polyoptrum,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/polyoptrum.
Source: polyoptrum on Wiktionary, CC BY-SA 4.0.