epidiascope

(redirected from epidiascopes)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to epidiascopes: magic lantern

ep·i·di·a·scope

(ep'i-dī'ă-skōp),
A projector by which images are reflected by a mirror through a lens, or lenses, onto a screen, using reflected light for opaque objects and transmitted light for translucent or transparent ones.
Synonym(s): overhead projector
[epi- + G. dia, through, + skopeō, to view]

epidiascope

A projector used to project by reflection opaque pictures (such as the page of a book) onto a screen.