单词 | novaculite |
释义 | novaculiten. Chiefly Geology. Originally: any of various smooth, hard rocks used to make whetstones. Now: spec. a dense, hard, fine-grained, siliceous rock resembling chert, with a high content of quartz microcrystals. ΘΚΠ the world > the earth > structure of the earth > constituent materials > stone > [noun] > hard stone > whetstone whetstone1578 wolf-stone1640 hone1688 Water of Ayr stone1793 novaculite1794 Turkey hone1794 Turkey stone1816 whet-slate1839 society > occupation and work > materials > raw material > stone or rock > [noun] > for whetstones > types of Water of Ayr stone1793 novaculite1794 whet-slate1839 1794 R. Kirwan Elements Mineral. (ed. 2) I. 238 Novaculite. Turkey hone. 1794 R. Kirwan Elements Mineral. (ed. 2) I. 356 Novaculite Porphyry. 1802 G. Acerbi Trav. II. 276 If the novaculite of Kirwan were meant, it should be referred to the argillaceous genus. 1829 Amer. Jrnl. Sci. 16 185 (heading) Novaculite in Georgia. 1863 J. D. Dana Man. Geol. 322 In Arkansas, the novaculite used extensively for hones..occur[s] in beds referred to this [Millstone soil] epoch. 1927 A. C. Parker Indian How Bk. i. x. 53 Material for points is..broken from rocky ledges of flint, novaculite, jasper, chalcedony, chert, obsidian, or other hard, brittle stone. 1975 M. Banister Bookbinding as Handicraft 87/1 The mineral is called ‘novaculite’, derived from the Latin word for razor. 1989 Encycl. Brit. VIII. 808/3 Deposits of novaculite exhibit stratification. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.1794 |
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