'China clay' definitions:

Definition of 'china clay'

From: WordNet
noun
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, kaolin, kaoline, porcelain clay, terra alba]

Definition of 'China clay'

From: GCIDE