petunse

petunse means rock rich in feldspar and/or mica, mixed with kaolin to create hard-paste pottery.

Etymology

From French petunse, pe-tun-tse, from F.X. d'Entrecolles's 1712 irregular romanization of the Mandarin pronunciation of Chinese 白墩子 (“white lump”), formerly used to describe the bricks transported from Qimen, Anhui, to Jingdezhen, Jiangxi.

noun

Rock rich in feldspar and/or mica, mixed with kaolin to create hard-paste pottery.e.g.“Grind with strong arm, the circling chertz betwixt, / Your pure Ka-o-lins and Pe-tun-tses mixt […].” — 1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 86:

Definitions & examples from Wiktionary (CC BY-SA 3.0).