gneissn.

Brit.

/nʌɪs/,

/ɡnʌɪs/, U.S.

/naɪs/

Forms: Also 1700s kneiss.

Etymology: < German gneiss, kneis.

Geology.

A metamorphic rock, composed, like granite, of quartz, feldspar or orthoclase, and mica, but distinguished from it by its foliated or laminated structure.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [noun] > gneiss

gneiss1777

1777 R. E. Raspe tr. I. von Born Trav. Bannat of Temeswar viii. 42 Gneiss..covered the whole country.

1851 G. F. Richardson Introd. Geol. (1855) 127 Gneiss may be termed stratified, or slaty granite... When the gneiss is associated with granite, it approaches to the character of that substance; and when the two come in contact, it is scarcely possible to distinguish between them.

1873 W. Black Princess of Thule i. 11 Great grey boulders of gneiss fixed fast into the black peat-moss.

1925 H. L. Mencken Let. 27 May in H. L. Mencken & S. Haardt Mencken & Sara (1987) 44 Shiver, kneiss [Note. A black, fatty sort of vein stone or rock], ochre, jasper.

attributive.1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. ii. 32 The formation which Humboldt designates as gneiss-granite.1854 H. Miller My Schools & Schoolmasters v. 95 The tract though a primary one forms one of the tamer gneiss districts of Scotland.

This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022).

单词	gneiss
释义	gneissn. Brit. /nʌɪs/, /ɡnʌɪs/, U.S. /naɪs/ Forms: Also 1700s kneiss. Etymology: < German gneiss, kneis. Geology. A metamorphic rock, composed, like granite, of quartz, feldspar or orthoclase, and mica, but distinguished from it by its foliated or laminated structure. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [noun] > gneiss gneiss1777 1777 R. E. Raspe tr. I. von Born Trav. Bannat of Temeswar viii. 42 Gneiss..covered the whole country. 1851 G. F. Richardson Introd. Geol. (1855) 127 Gneiss may be termed stratified, or slaty granite... When the gneiss is associated with granite, it approaches to the character of that substance; and when the two come in contact, it is scarcely possible to distinguish between them. 1873 W. Black Princess of Thule i. 11 Great grey boulders of gneiss fixed fast into the black peat-moss. 1925 H. L. Mencken Let. 27 May in H. L. Mencken & S. Haardt Mencken & Sara (1987) 44 Shiver, kneiss [Note. A black, fatty sort of vein stone or rock], ochre, jasper. attributive.1839 C. Darwin in R. Fitzroy & C. Darwin Narr. Surv. Voy. H.M.S. Adventure & Beagle III. ii. 32 The formation which Humboldt designates as gneiss-granite.1854 H. Miller My Schools & Schoolmasters v. 95 The tract though a primary one forms one of the tamer gneiss districts of Scotland. This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022). < n.1777
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