xerography

[zi-rog-ruh-fee]
noun
  1. an electrostatic printing process for copying text or graphics whereby areas on a sheet of paper corresponding to the image areas of the original are sensitized with a charge of static electricity so that, when powdered with a toner carrying an opposite charge, only the charged areas retain the toner, which is then fused to the paper to make it permanent.

Origin of xerography

First recorded in 1945–50; xero- + -graphy
Related formsxe·ro·graph·ic [zeer-uh-graf-ik] /ˌzɪər əˈgræf ɪk/, adjectivexe·ro·graph·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for xerography

xerography

noun
  1. a photocopying process in which an electrostatic image is formed on a selenium plate or cylinder. The plate or cylinder is dusted with a resinous powder, which adheres to the charged regions, and the image is then transferred to a sheet of paper on which it is fixed by heating
Derived Formsxerographer, nounxerographic (ˌzɪərəˈɡræfɪk), adjectivexerographically, adverb
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

xerography in Medicine

xerography

[zĭ-rŏgrə-fē]
n.
  1. xeroradiography
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.