autochrome

Etymology

From auto- + -chrome.

autochrome means 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. Lexicurio rates it Rare gem — a strength score of 75 out of 100.

noun

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