shadowgraph

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• Shadowgraph — is an optical method that reveals non uniformities in transparent media like air, water, or glass. It is related to, but simpler than, the schlieren and schlieren photography methods that perform a similar function.In principle, we cannot… …   Wikipedia

• shadowgraph — [shad′ōgraf΄, shad′ōgräf΄] n. an image or silhouette produced by throwing a shadow upon a lighted surface …   English World dictionary

• Shadowgraph — Le Shadowgraph est une méthode optique qui consiste à exposer sous une lumière des volumes transparents (gaz, liquide, verre) afin de récupérer l ombre des diffractions et de les dessiner. Le résultat de l utilisation d un shadowgraph est appelé… …   Wikipédia en Français

• shadowgraph — noun Date: 1886 1. shadow play 2. a photographic image resembling a shadow • shadowgraphy noun …   New Collegiate Dictionary

• shadowgraph — shadowgraphic /shad oh graf ik/, adj. shadowgraphist, n. shadowgraphy, n. /shad oh graf , grahf /, n. 1. a picture produced by throwing a shadow, as of the hands, on a lighted screen, wall, or the like. 2. See shadow play. 3. a radiograph. [1885… …   Universalium

• shadowgraph — noun An optical technique of visualizing patterns of fluid flow by using differences in refractive index …   Wiktionary

• shadowgraph — n. image created by casting shadows onto a surface …   English contemporary dictionary

• shadowgraph — noun 1》 an image formed by the shadow of an object on a surface. 2》 an image formed when light shone through a fluid is refracted differently by regions of different density. 3》 a radiograph …   English new terms dictionary

• shadowgraph — shad·ow·graph …   English syllables

• shadowgraph — /ˈʃædoʊgræf/ (say shadohgraf), / graf/ (say grahf) noun 1. a picture produced by throwing a shadow, as of the hands, on a lighted screen. 2. → radiograph (def. 1). 3. Aerospace an image which shows the density gradients in the flow about a body… …  

• shadowgraph — n. 1 an image or photograph made by means of X rays; = RADIOGRAM 2. 2 a picture formed by a shadow cast on a lighted surface. 3 an image formed by light refracted differently by different densities of a fluid …   Useful english dictionary