papyroxylin

English

Alternative forms

• papyroxyline

Etymology

From papyro- (“papyrus, paper”) +‎ xylo- (“wood, wood pulp”) +‎ -in (“forming substances made from living things”), after the model of earlier pyroxylin.

Noun

papyroxylin (uncountable)

1. (obsolete) Synonym of gun-paper.
   • 1894, Selimo R. Bottone, Electrical Instrument Making for Amateurs, 6th edition, page 26:

     Gun-paper, or papyroxyline, is paper which has been immersed for a few seconds in a mixture of nitric and sulphuric acids, and then washed in an abundance of water.

References

• “papyro-, comb. form”, in OED Online ⁠, Oxford, Oxfordshire: Oxford University Press, 2022.