diascope
Collocations
4ADJ.
light
VERB + DIASCOPE
serves
DIASCOPE + NOUN
pattern
PREP.
through
Definitions
noun
A projector used for projecting transparencies.
The diascope test pattern reference for automatic setup is a transparency (Figure 3), built into all TK47B lenses.
When it is used to project a slide then at serves as a diascope.
a slide viewer, a device for looking at small transparent images.
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.
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Example Bank
3The diascope test pattern reference for automatic setup is a transparency (Figure 3), built into all TK47B lenses.
WiktionaryWhen it is used to project a slide then at serves as a diascope.
WiktionaryThe diascope passes light through the two-dimensional object (such as a photographic transparency, slide, or film) and uses a converging projection lens to form an enlarged image on a distant screen.
Wiktionary