English

Noun

epidiascope ‎(plural epidiascopes)

1. A machine that projects images onto a screen.
   • 1958, Lawrence Durrell, Balthazar:

     But it was only the huge epidiascope which threw upon the farther wall the blazing and magnified images of the photographs which Nimrod himself was feeding into it one by one from an envelope.

See also

• magic lantern
• overhead projector