• Webster's Revised Unabridged Dictionary
    • Graphoscope An optical device for showing (or photographing) an image when projected upon the atmosphere as a screen.
    • Graphoscope An optical instrument for magnifying engravings, photographs, etc., usually having one large lens and two smaller ones.
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Century Dictionary and Cyclopedia
    • n graphoscope A device for viewing pictures or photographs through a lens. It consists of a holder for the picture and one for the lens, with simple appliances for adjusting the focus.
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Webster's Revised Unabridged Dictionary
Gr. gra`fein to write + -scope,