Definition of pâte dure in US English:

pâte dure

(also pate dure)

noun

Ceramics
  • Hard clay; the porcelain made from this.

Origin

Mid 19th century; earliest use found in William Chaffers (1811–1892), authority on hallmarks and potters' marks. From French pâte dure (not dated in dictionaries of French) from pâte + dure hard.