Polyoptrum
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.] [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • 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.] [1913 Webster] …   The Collaborative International Dictionary of English

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