[ep-i-dahy-uh-skohp] 
| a type of magic lantern that projects the image of an opaque object onto a screen. |
| ep·i·di·a·scope (ěp'ĭ-dī'ə-skōp') n. A machine for projecting the images of opaque objects or transparencies on a screen. [epi- + dia- + -scope.] |
ɪˈdaɪ