# polyoptrum

> English word · Noun

## Definitions
1. A glass through which objects appear multiplied, but diminished in size.

## Etymology
From poly- + -optrum (compare Ancient Greek εἴσ-οπτρον (eís-optron), ἔσ-οπτρον (és-optron, “mirror”)).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polyoptrum