ka·olin /ˈkeələn/ 名詞
Ka·o·lin, Ka·o·line n. Min. 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.
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) [syn: china
clay, china stone, kaoline, porcelain clay, terra