单词 | porphyrite |
释义 | porphyriten.1ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > ancient porphyry porphyry?a1439 porphyry stone?a1439 porphyrine1588 porphyrite1589 porfido1611 society > occupation and work > materials > raw material > gem or precious stone > rock crystal > [noun] > porphyry porphyry?a1439 porphyry stone?a1439 porphyrine1588 porphyrite1589 porfido1611 a1475 Asneth 73 in Jrnl. Eng. & Germanic Philol. (1910) 9 229 Ten chambres for here wer bild, of precious parage. The firste was fair and large, with porfereit stonis walled. 1577 W. Harrison Hist. Descr. Islande Brit. ii. vii. f. 81v/2, in R. Holinshed Chron. I Some were of porphirite stone. 1589 G. Puttenham Arte Eng. Poesie iii. xx. 207 Polishers of marble or porphirite. 1601 P. Holland tr. Pliny Hist. World II. 573 The Porphyrite marble, which also commeth out of Ægypt, is of a red colour. a1657 W. Burton Comm. Antoninus his Itinerary (1658) 67 It was of Porphyrite, or Red Marble Stone. 1736 F. Drake Eboracum i. ii. 14 His Ashes were collected, and..put into a Porphyrite Urn. 1741 Ld. Hardwicke et al. Athenian Lett. I. 219 His temple is there encompassed in a grove of palm trees, with a stately portico of large massy columns of porphyrite. ΘΚΠ society > occupation and work > equipment > work-benches, seats, etc. > [noun] > block > for grinding on porphyryc1395 porphyry mortar1605 porphyry stone1644 porphyrite1708 1708 tr. J. P. de Tournefort Materia Medica ii. xxv. 129 Then powder and levigate upon a Porphyrite, or marble stone [Fr. sur la pierre de porphyre]. 3. = porphyry n. 3.From the mid 19th cent., more specifically applied by some geologists to rocks of porphyritic texture lacking quartz, or having plagioclase phenocrysts. Now becoming uncommon in technical use; in non-technical use, perhaps not distinct from sense 1. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > porphyrite rock porphyrite1794 porphyroid1794 porphyrine1811 1794 R. Kirwan Elements Mineral. (ed. 2) I. 358 That [porphyry] described by Herman..and which he calls a porphyrite. It consists of small sparks of felspar, grains of quartz, splinters of hornblende, and fragments of shorl cemented together by a scarcely discernible jaspidean cement. 1868 F. von Richtofen Nat. Syst. Volcanic Rocks 59 Quartziferous rocks were not so prominent..as in the granitic era, porphyrite and melaphyr having nearly equaled quartzose porphyry, in point of quantity. 1878 P. H. Lawrence tr. B. von Cotta Rocks Classified (new ed.) 162 The porphyrite of the Pentland Hills, near Edinburgh, with crystals of oligoclase, and specular-iron, sparkling in a reddish-brown matrix. 1879 F. Rutley Study of Rocks xii. 238 The porphyrites are..divided into diorite and diabase-porphyrites. 1925 Geografiska Annaler 7 172 On the undulating and terraced plateau..we find..a series of ridges, consisting of large boulders of porphyrite. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) v. 93 The chief varieties distinguished among basalts in the Lake Superior copper-bearing district are (1) ophite, (2) porphyrite, and (3) melaphyre. 1966 Times 5 Apr. 12/4 Among the many objects of interest are the sculpture of a frog in porphyrite stone, [etc.]. 1989 L. Erdrich Baptism of Desire (1991) iii. 6 I kept my silver rings in a box of porphyrite. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). † porphyriteadj.n.2 Obsolete. rare. Purple-coloured. Also as n.The noun use may perhaps represent the plural of porphyritis (see porphyritis n.). ΘΚΠ the world > matter > colour > named colours > purple or purpleness > [adjective] purpurine1300 purpurec1400 purple1415 purpurate?c1422 purple-coloured1567 porphyrite1601 purpie1651 purpurean1656 blattean1658 purpureal1708 porphyrous1798 Babylonian1846 1601 P. Holland tr. Pliny Hist. World I. 442 The Porphyrite [L. porphritis] Figs first shew upon the tree, and ordinarily be longest tailed. The smallest Figs..come next after and beare the Porphyrites companie. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online June 2020). < n.1a1475adj.n.21601 |
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