paper clay

Etymology
From, from its use in the manufacture of paper and wallpaper.

Noun

 * 1)  ; also similarly uniform light-coloured clay composed of fine particles.
 * 2) * 1840, Henry Darwin Rogers, Description of the Geology of the State of New Jersey, New Jersey Geological Survey, p 101:
 * It is a good specimen of the variety of fire-clay, which is used for facing paperhangings, and is sold as paper clay.
 * 1)  Clay mixed with shredded paper or other fibres, valued for its strength and light weight in the production of large ceramic works.
 * 2) * 1998, Rosette Gault, Paper/Clay and Method of Preparation, United States Patent no. 5,726,111, USPTO:
 * [title] Paper/Clay and Method of Preparation
 * [title] Paper/Clay and Method of Preparation