autochrome

English

Etymology

From auto- +‎ -chrome.

Noun

autochrome (plural autochromes)

1. An early photograph produced by means of a glass plate coated on one side with a random mosaic of microscopic dyed grains of potato starch under silver halide emulsion.
   • 2007 May 21, Randy Kennedy, “A Splash of Photo History Comes to Light”, in New York Times‎^[1]:

     This century-old Edward Steichen autochrome, probably of Charlotte Spaulding, has been discovered after decades in storage.