epidiascope

== English == === Etymology === From epi- +‎ dia- +‎ -scope. === Pronunciation === (UK) IPA(key): /ɛpɪˈdʌɪəskəʊp/ === Noun === epidiascope (plural epidiascopes) A projector that can project images of both opaque and transparent objects onto a screen. === See also === episcope diascope magic lantern overhead projector