different between radiograph vs shadowgraph

English

Etymology

radio- +? -graph

Noun

radiograph (plural radiographs)

1. An image, often a photographic negative, produced by radiation other than normal light; especially an X-ray photograph.
2. An instrument for measuring and recording solar radiation.

Synonyms

• (image produced by radiation): radiogram, shadowgraph

Derived terms

• teleradiograph

Translations

Verb

radiograph (third-person singular simple present radiographs, present participle radiographing, simple past and past participle radiographed)

1. To produce a radiograph image.

English

Alternative forms

• shadow-graph, shadow graph

Etymology

From shadow +? -graph.

Noun

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

• shadowgraphic
• shadowgraphist
• shadowgraphy

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.