This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Alternative spelling of kaolin.

n. a fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)

"Gezephi Ntshanyase kneels in the dirt as she hacks off lumps of kaoline with a primitive hoe, all the while keeping a watchful eye on the crumbling rock face above."

clay   

kaolin