shadowgraph

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English[edit]

Alternative forms[edit]

Etymology[edit]

From shadow +‎ graph.

Noun[edit]

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Wikipedia

shadowgraph (plural shadowgraphs)

  1. A shadow-picture; a radiograph or X-ray photograph; a sciagram.
  2. (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)

  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.