shadowgraph

[shad-oh-graf, -grahf]

noun

a picture produced by throwing a shadow, as of the hands, on a lighted screen, wall, or the like.
shadow play.
a radiograph.

Origin of shadowgraph

First recorded in 1885–90; shadow + -graph

Related formsshad·ow·graph·ic

[shad-oh-graf-ik] /ˌʃæd oʊˈgræf ɪk/, adjectiveshad·ow·graph·ist, nounshad·ow·graph·y, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for shadowgraph

Historical Examples of shadowgraph

Like a figure of a shadowgraph he slid through its opening, and we followed.
Nights in London
Thomas Burke
The very unfortunate name "shadowgraph" has been suggested and largely used in the newspapers, and even in medical journals.
McClure's Magazine, Vol. VI., No. 6, May, 1896
Various
And this edge between the dark and the light then becomes the shadowgraph of this aperture of the camera.
Warren Commission (4 of 26): Hearings Vol. IV (of 15)
The President's Commission on the Assassination of President Kennedy
Your Commission Exhibit 753 illustrates that shadowgraph, or actually shows that shadowgraph, Mr. Shaneyfelt?
Warren Commission (4 of 26): Hearings Vol. IV (of 15)
The President's Commission on the Assassination of President Kennedy
Mr. McCloy is pointing to a mark along the right-hand side, a white mark along the bottom of the shadowgraph.
Warren Commission (4 of 26): Hearings Vol. IV (of 15)
The President's Commission on the Assassination of President Kennedy

British Dictionary definitions for shadowgraph

shadowgraph

noun

a silhouette made by casting a shadow, usually of the hands, on a lighted surface
another name for radiograph

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012