Kaolin
Pronunciation : Ka"o*lin, Ka"o*line
Part of Speech : n.
Etymology : [Chin. kao-ling.] (Min.)
Definition : Defn: A very pure white clay, ordinarily in the form of an impalpable powder, and used to form the paste of porcelain; China clay; porcelain clay. It is chiefly derived from the decomposition of common feldspar.
Note: The name is now applied to all porcelain clays which endure the fire without discoloration.
Source : Webster's Unabridged Dictionary, 1913