"the art of producing images by application of chemical changes produced by certain substances by the action of light or other radiant energy," 1839, from photo- + -graphy. See photograph.

"photographic reduplication without liquid developers," 1948, from Greek xeros "dry" (see xerasia) + -ography as in photography. Related: Xerographic.

Xerography: Inkless printing and dry photography—named "xerography," from the Greek words for "dry" and "writing"—were recently demonstrated in the United States. Described as "revolutionary" by the New York Times, xerography employs static electricity to record images on special metal plates, and dry powders to reproduce the images on other surfaces. [U.S. Department of State "Air Bulletin," No. 79, vol. 2, Nov. 17, 1948]

"application of photography to the stars, sun, planets, etc.," 1858, from astro- + photography.

"photography of objects at or larger than actual size without the use of a magnifying lens," 1863, from macro- + photography.

the supposed production of a photographic image by purely mental process, 1931, from thought + ending abstracted from photography.

"a picture obtained by any process of photography," 1839, coined by English polymath and photography pioneer Sir John Herschel (son of the astronomer) from photo- "light" + -graph "something written."

It won out over other suggestions, such as photogene and heliograph. Photogram (1859), based on telegram, did not catch on. Neo-Anglo-Saxonists prefer sunprint; and sun-picture (1846) was an early Englishing of the word. The verb is first found (along with photography and photographic) in a paper Herschel read before the Royal Society on March 14, 1839. Related: Photographed; photographing.

"process for rendering photographs in color by hand-coloring them on paper," 1863, from German chromophotographie; see chromato- + photography. Related: Chromophotograph. 

1610s, "condition of being transparent," from Medieval Latin transparentia, from transparentem (see transparent). Meaning "that which is transparent" is from 1590s; of pictures, prints, etc., from 1785; in photography from 1866. Related: Transparence.

viewing apparatus on a submarine, by which objects in a horizontal view may be seen through a vertical tube, 1899, formed in English from peri- "around" + -scope "instrument for viewing." Earlier (1865) a technical term in photography. Related: Periscopic.

1620s, "white, bright," from Latin candidum "white; pure; sincere, honest, upright," from candere "to shine" (from PIE root *kand- "to shine"). In English, the metaphoric extension to "frank, honest, sincere" is recorded by 1670s (compare French candide "open, frank, ingenuous, sincere"). Of photography, "not posed, informal," 1929. Related: Candidly; candidness.