protoporcelainn.
/ˌprəʊtə(ʊ)ˈpɔːsl̩ᵻn/, /ˌprəʊtə(ʊ)ˈpɔːsl̩eɪn/, U.S. /ˌproʊdoʊˈpɔrs(ə)lən/; see also porcelain n. and adj. A type of early stoneware with a feldspathic glaze, closely resembling true porcelain but lacking its translucent qualities; esp. a ceramic ware produced in ancient China under the Han dynasty (206 b.c.– a.d. 220). Also as a count noun: an item made of this.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > clay compositions > baked clay > pottery or ceramics > [noun] > stoneware > types of
brownstone1761
ironstone china1814
stone-china1825
lava ware1860
grès de Flandres1872
queen's ware1872
Doulton ware1874
tiger-ware1874
scratched blue1883
Rhenish stoneware1897
protoporcelain1904
scratch blue1924
1904 E. Dillon Porcelain v. 69 For the roughly prepared material of these old [Chinese] wares we would prefer the name of proto-porcelain or kaolinic stoneware, so that there may be no confusion with the true stoneware of Europe, a quite different material.
1909 Burlington Mag. May 82/1 Mr. E. Dillon (‘Porcelain’, p. 69) has suggested the name of proto-porcelain for some of these early wares.
1936 Burlington Mag. Jan. 3/2 The reddish kaolinic proto-porcelain of late Han times.
1961 M. J. Aitken Physics & Archaeol. vii. 152 There is historical evidence that the green-glazed stoneware and proto-porcelain known as Yuëh was made at kilns in the vicinity of Shanghai over the period 300 b.c. to a.d. 1000.
1983 N.Y. Times 26 Oct. c21/6 Giovanni Bellini's ‘Lamentation of Christ’,..flanked by a group of protoporcelains from between the 11th and 8th centuries B.C.
1994 C. Holcombe In Shadow of Han iii. 71 Such inventions as..written contracts, porcelain (or, at least, protoporcelain), and the combustibility of coal all had been made before the end of the period of division.
This is a new entry (OED Third Edition, September 2007; most recently modified version published online March 2022).
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n.1904