sciagraph noun 2verb 1forms 3 noun2 •A radiograph. •(no longer used) A vertical section of a building; a sciagraphy. verb1 •To create a sciagraph (radiograph) of; to look inside by this or a similar technique.The lighting from above also had a specific function: providing an even legibility to those "shaded" or sciagraphed areas treated with the technique known as schiacciato as to those of high relief. — 1996 formssciagraphed · sciagraphing · sciagraphs