Porcelain clay Meaning, Definition & Usage

  1. 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)
    china stone; china clay; kaoline; kaolin; terra alba.

WordNet


Definitions
  1. a very pure variety, formed directly from the decomposition of feldspar, and often called kaolin.
Definitions
  1. . See under Clay.

Webster 1913