paraglyph printing

[ par-uh-glif ]
/ ˈpær ə glɪf /

noun

the printing of the positive and negative of a radiograph superimposed in slight misalignment to give the effect of a relief.

Origin of paraglyph printing

< Greek paraglýphein to counterfeit. See para-1, glyph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019