Definition of epidiascope in English:

epidiascope

Syllabification: ep·i·di·a·scope
Pronunciation: /ˌepəˈdīəskōp
 
/

noun

An optical projector capable of giving images of both opaque and transparent objects.

Origin

early 20th century: from epi- + dia- + -scope.

Definition of epidiascope in:

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Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude