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单词 dunstone
释义

dunstonen.

Brit. /ˈdʌnstəʊn/, U.S. /ˈdənˌstoʊn/
Forms: see dun adj. and stone n.
Origin: Formed within English, by compounding. Etymons: dun adj., stone n.
Etymology: < dun adj. + stone n.
English regional (chiefly south-western and Derbyshire) and Welsh English (Pembrokeshire).
Any of various kinds of stone of a dun or dull brown colour, esp. magnesian limestone or (occasionally) dolerite.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > other sedimentaries
dunstonea1613
rock phosphate1852
psammite1882
tillite1907
flowstone1925
tilloid1931
turbidite1957
a1613 G. Owen Descr. Penbrokshire (1892) xi. 90 They comonlye leave a foote of coale in the bottome vndigged to serve for a stronge foundation except they finde the rocke vnder foote, which they call the Doonstone.
1772 J. R. Forster Jrnl. 29 July in 'Resolution' Jrnl. (1982) I. 142 Some few are..what is called in England Dunstone.
1808 C. Vancouver Gen. View Agric. Devon i. 19 The soil generally consists of a hazel-coloured loam, or free dunstone.
1867 R. S. Hawker in Gentleman's Mag. Mar. 269 One wide, wild stretch of rocky moorland, broken with masses of dunstone.
1887 H. B. Woodward Geol. Eng. & Wales (ed. 2) 577 Dolerites are exposed west of St. Austell... In places they are called ‘Dunstones’.
1916 Rep. & Trans. Devonshire Assoc. 48 228 There are four inclusions of slate in the dunstone, fragments broken off and taken up into the molten rock.
1977 T. D. Ford Limestones & Caves Peak District iii. 36 Dunstone is a common colloquial name for the fawn-coloured dolomites which outcrop over several square kilometres of the southern and eastern parts of the White Peak.
This entry has been updated (OED Third Edition, September 2018; most recently modified version published online March 2022).
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