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单词 novaculite
释义 novaculite Min.|nəʊˈvækjʊlaɪt|
[f. L. novacula a razor + -ite1 2 b.]
A hard argillaceous slate used for hones. Also attrib.
1796Kirwan Elem. Min. (ed. 2) I. 238 Novaculite. Turkey hone.Ibid. 356 Novaculite Porphyry.1802Acerbi Trav. II. 276 If the novaculite of Kirwan were meant, it should be referred to the argillaceous genus.1863Dana Man. Geol. 322 In Arkansas, the novaculite used extensively for hones..occur[s] in beds referred to this [Millstone soil] epoch.1882Geikie Text-bk. Geol. ii. ii. §6. 122 Whet-slate, novaculite, hone-stone, an exceedingly hard fine-grained siliceous rock.
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