† grunsteinn.

Forms:

α. 1700s gronsten, 1700s grunsten.

β. 1700s–1800s grunstein, 1800s gruenstein, 1800s grünstein.

Origin: Probably of multiple origins. Probably partly a borrowing from Swedish. Probably partly a borrowing from German. Etymons: Swedish grönsten; German Grünstein.

Etymology: Probably partly (in α. forms) < Swedish grönsten (1734; < grön green adj. + sten stone n.), and partly < German Grünstein (1750 or earlier, after Swedish). Compare greenstone n.

Geology. Obsolete.

A greenish crystalline rock containing chiefly hornblende and feldspar; greenstone (greenstone n. 3).

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > greenstone

grunstein1784

verd1799

greenstone1800

1784 R. Kirwan Elements Mineral. 404 (table) Gronsten..Horn-stone and mica, or horn-stone and shorl.

1798 R. Jameson Outl. Mineral. Shetland Islands iii. 34 In some places it is penetrated with a species of Grunstein, which is composed of white feltspar and basaltic hornblende.

1819 H. M. Williams tr. A. von Humboldt Personal Narr. Trav. IV. xvii. 288 Pyroxenic amygdaloids imbedded in strata of gruenstein.

1872 Jrnl. Amer. Geogr. Soc. 3 380 The southern district is remarkable for its ranges of lofty, precipitous and perfectly sterile mountains of sandstone, grünstein, porphyry and granite.

This entry has been updated (OED Third Edition, June 2011; most recently modified version published online June 2021).

单词	grunstein
释义	† grunsteinn. Forms: α. 1700s gronsten, 1700s grunsten. β. 1700s–1800s grunstein, 1800s gruenstein, 1800s grünstein. Origin: Probably of multiple origins. Probably partly a borrowing from Swedish. Probably partly a borrowing from German. Etymons: Swedish grönsten; German Grünstein. Etymology: Probably partly (in α. forms) < Swedish grönsten (1734; < grön green adj. + sten stone n.), and partly < German Grünstein (1750 or earlier, after Swedish). Compare greenstone n. Geology. Obsolete. A greenish crystalline rock containing chiefly hornblende and feldspar; greenstone (greenstone n. 3). ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > greenstone grunstein1784 verd1799 greenstone1800 1784 R. Kirwan Elements Mineral. 404 (table) Gronsten..Horn-stone and mica, or horn-stone and shorl. 1798 R. Jameson Outl. Mineral. Shetland Islands iii. 34 In some places it is penetrated with a species of Grunstein, which is composed of white feltspar and basaltic hornblende. 1819 H. M. Williams tr. A. von Humboldt Personal Narr. Trav. IV. xvii. 288 Pyroxenic amygdaloids imbedded in strata of gruenstein. 1872 Jrnl. Amer. Geogr. Soc. 3 380 The southern district is remarkable for its ranges of lofty, precipitous and perfectly sterile mountains of sandstone, grünstein, porphyry and granite. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online June 2021). < n.1784
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