an optical device for projecting a magnified image onto a screen
WordReference Random House Unabridged Dictionary of American English © 2025
ep•i•di•a•scope
(ep′i dī′ə skōp′),USA pronunciation n. [Optics.]
- Opticsa type of magic lantern that projects the image of an opaque object onto a screen. Also called episcope.
- epi- + dia- + -scope 1900–05
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'epidiascope' also found in these entries (note: many are not synonyms or translations):