Xerox

"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]

material which in thin sheets produces a high degree of plane polarization of light passing through it, 1936, proprietary name (Sheet Polarizer Co., Union City, N.J.). For the elements, see polarize + -oid. As a type of camera producing prints rapidly it is attested from 1961. A trademarked brand name, and, if you omit that, their lawyers will send you The Letter, a la Photoshop, Dumpster, Taser, Wiffle Ball, Xerox, etc.