from The Century Dictionary.

  • noun Photography by means of the Röntgen rays or other forms of radioactivity. Also skiagraphy.
  • noun The act or art of delineating shadows correctly in drawing; the art of sketching objects with correct shading.
  • noun In architecture, a geometrical profile or section of a building to exhibit its interior structure; a sciagraph.
  • noun In astronomy, the art of finding the hour of the day or night by the shadows of objects caused by the sun, moon, or stars; the art of dialing. Also sciography.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The art or science of projecting or delineating shadows as they fall in nature.
  • noun (Arch.) Same as Sciagraph.
  • noun (Physics) Same as Radiography.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun the art of representing shadows as realistically as possible
  • noun obsolete a vertical section through a building
  • noun radiography


Sorry, no etymologies found.


  • When we come to study light in the open air we get into another region, and have to deal with it accordingly, and yet we shall find that our sciagraphy will be a help to us even in this bewilderment; for it will explain in a manner the innumerable shapes of sun-shadows that we observe out of doors among hills and dales, showing up their forms and structure; its play in the woods and gardens, and its value among buildings, showing all their juttings and abuttings, recesses, doorways, and all the other architectural details.

    The Theory and Practice of Perspective

  • There is a pretty story of two lovers which is sometimes told as the origin of art; at all events, I may tell it here as the origin of sciagraphy.

    The Theory and Practice of Perspective


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  • She renders the lightfall quite magically

    Employing no digital gadgetry.

    She’s learned to apply

    Her hand and her eye

    In service of skillful sciagraphy.

    February 4, 2018