Definition of porcelain clay in US English:

porcelain clay

noun

  • another term for kaolin
    • ‘Robineau frequently ornamented her ceramics by carving and piercing the walls and rims - processes called excising and reticulation, respectively - which required precision and patience to execute in dry but unfired porcelain clay.’
    • ‘Most of us can also access the second level of appreciation, since we recognise the purity of the materials employed - from the white porcelain clay to the clean, yellow enamel and the flawless, transparent glaze.’