shadowgraph

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English

Alternative forms

Etymology

From shadow +‎ -graph.

Noun

English Wikipedia has an article on:
Wikipedia

shadowgraph (plural shadowgraphs)

  1. 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.
  2. (physics) An optical technique of visualizing patterns of fluid flow by using differences in refractive index

Derived terms

Verb

shadowgraph (third-person singular simple present shadowgraphs, present participle shadowgraphing, simple past and past participle shadowgraphed)

  1. (transitive) To outline in a shadow-picture on a screen.
  2. (photography) To take a picture by means of X-ray, radium, or similar source of actinic radiation.
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