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siderography

American  
[sid-uh-rog-ruh-fee] / ˌsɪd əˈrɒg rə fi /

noun

  1. the art or technique of engraving on steel.

  2. a method of increasing the number of reproductions obtained from a steel engraving by first rolling a soft-steel cylinder over a hardened steel plate and then rolling the hardened cylinder over a soft-steel plate.

Other Word Forms

  • siderographer noun
  • siderographic adjective

Etymology

Origin of siderography

First recorded in 1810–20; sidero- 1 + -graphy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.