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单词 iron-shot
释义

iron-shotadj.

Brit. /ˈʌɪənʃɒt/, U.S. /ˈaɪ(ə)rnˌʃɑt/
Origin: Formed within English, by compounding. Etymons: iron n.1, shot adj.
Etymology: < iron n.1 + shot adj.
Geology and Mineralogy.
Suffused or streaked with iron compounds or markings due to such compounds. Cf. shoot v. 14b.
ΘΚΠ
the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > iron
ironya1382
ferreous1646
ferruginous1659
ferrugineous1671
ironized1780
iron-shot1794
ferriferous1796
1794 R. Kirwan Elements Mineral. (ed. 2) I. 293 Is it not rather an iron-shot quartz?
1847 H. Miller First Impressions Eng. i. 16 They [sc. potatoes] were freckled over with minute circular spots, that bore a ferruginous tinge, somewhat resembling the specks on iron-shot sandstone.
1858 G. P. Scrope Geol. Central France (ed. 2) 171 Many varieties are much iron-shot.
1928 Philos. Trans. (Royal Soc.) B. 216 150 The collections contain some fine Ringsteadiæ in an ironshot oolite matrix.
2006 Proc. Geologists' Assoc. 117 352 Limestones, finely, more or less densely ironshot oolitic, darker and harder than the beds above.
This entry has been updated (OED Third Edition, September 2013; most recently modified version published online March 2022).
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adj.1794
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