English Dictionary

shadowgraph

noun

A shadow-picture; a radiograph or X-ray photograph; a sciagram. / (physics) An optical technique of visualizing patterns of fluid flow by using differences in refractive index

The artist created a beautiful shadowgraph using his hands.

意味（1）

A shadow-picture; a radiograph or X-ray photograph; a sciagram.

`There you have its exemplification, a shadowgraph of vapour, penetrated by a single concrete element - my Mind.

意味（2）

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