请输入您要查询的英文单词:

 

单词 hornstone
释义

hornstonen.

Brit. /ˈhɔːnstəʊn/, U.S. /ˈhɔrnˌstoʊn/
Etymology: translating German hornstein: from its appearance.
Mineralogy.
A compact siliceous rock, resembling flint, but more brittle; chert.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > stone > [noun] > hard stone > chert
chert1686
hornstone1728
horn-flint1803
taconite1905
the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > quartz > cryptocrystalline quartz > chert
chert1686
hornstone1728
1728 J. Woodward Catal. Foreign Fossils i. 11 in Catal. Addit. Eng. Native Fossils Rother Hornstein, i.e., Red Hornstone.
1794 R. Kirwan Elements Mineral. (ed. 2) I. 305 Hornstone differs from jaspers, often by its splintery fracture.
1816 M. Keating Trav. (1817) II. 155 Here the sand-stone approaches to horn-stone; that is, assumes the rhomboidal conformation.
1833 C. Lyell Princ. Geol. III. 370.
a1862 H. D. Thoreau Maine Woods (1864) iii. 180 This variety of hornstone I have seen in..New England in the form of Indian arrow-heads, hatchets, chisels, etc.

Compounds

General attributive, as hornstone basis, hornstone porphyry.
ΚΠ
1794 R. Kirwan Elements Mineral. (ed. 2) I. 351 Hornstone Porphyry.
1794 R. Kirwan Elements Mineral. (ed. 2) I. 368 [It] has for its ground a hornstone basis.
This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2022).
<
n.1728
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/21 21:08:18