What does "copygraph" mean?

An early means of producing multiple copies of a document by means of pressing it against a slab of gelatin softened with glycerin and making further copies from the resulting reversed image.

Copygraph

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An early means of producing multiple copies of a document by means of pressing it against a slab of gelatin softened with glycerin and making further copies from the resulting reversed image. dated

Etymology

From copy + -graph.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.