Here you will find one or more explanations in English for the word Polyoptron.
Also in the bottom left of the page several parts of wikipedia pages related to the word Polyoptron and, of course, Polyoptron synonyms and on the right images related to the word Polyoptron.
Polyoptron
Polyoptron Pol`y*op"tron, Polyoptrum Pol`y*op"trum, n. [NL.,
from Gr. poly`s many + ? seen.] (Opt.)
A glass through which objects appear multiplied, but
diminished in size. [R.]
Meaning of Polyoptron from wikipedia
