ka·o·lin also ka·o·line 
(kāə-lĭn)
(kāə-lĭn)n.
A fine clay used in ceramics and refractories, as a filler or coating for paper and textiles, as an additive in food and toothpaste, and as an antidiarrheal drug.
[French, from Mandarin Gāolíng, a mountain of Jiangxi province.]