Prismatium = A small prism; πρισμάτιον.

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Pseudocubus = False cube; ψεῦδος, κῦβος.

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Lithocubus = Cube of silex; λίθος, κῦβος.

[57]

Circotympanum = Drum with rings; κίρκος, τύμπανον.

[58]

Eutympanium = Nice small drum; εὖ, τυμπάνιον.

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