shadowgraph
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English[edit]
Alternative forms[edit]
Etymology[edit]
Noun[edit]
shadowgraph (plural shadowgraphs)
- A shadow-picture; a radiograph or X-ray photograph; a sciagram.
- 1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, published 1965, →OCLC, page 108:
- `There you have its exemplification, a shadowgraph of vapour, penetrated by a single concrete element - my Mind.
- (physics) An optical technique of visualizing patterns of fluid flow by using differences in refractive index
Derived terms[edit]
Verb[edit]
shadowgraph (third-person singular simple present shadowgraphs, present participle shadowgraphing, simple past and past participle shadowgraphed)
- (transitive) To outline in a shadow-picture on a screen.
- (photography) To take a picture by means of X-ray, radium, or similar source of actinic radiation.