Diascope
//ˈdaɪəskəʊp// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A projector used for projecting transparencies.
"The diascope test pattern reference for automatic setup is a transparency (Figure 3), built into all TK47B lenses."
- 2 a slide viewer, a device for looking at small transparent images.
- 3 A flat piece of glass or transparent plastic, used to examine lesions in the skin
"The diascope (a flat piece of glass) was used to press out the blood and expose the apple-jelly points of marginal growth."
Example
More examples"The diascope test pattern reference for automatic setup is a transparency (Figure 3), built into all TK47B lenses."
Etymology
From dia- + -scope.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.