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单词 monoclinic
释义

monoclinicadj.

Brit. /ˌmɒnə(ʊ)ˈklɪnɪk/, U.S. /ˌmɑnəˈklɪnɪk/
Origin: Formed within English, by compounding. Etymons: mono- comb. form, clinic adj.2
Etymology: < mono- comb. form + clinic adj.2 Compare French monoclinique (1867). Compare earlier monoclinohedral adj., slightly earlier monoclinate adj., monoclinohedric adj., and slightly later monoclinometric adj. Compare also diclinic adj., triclinic adj.
Crystallography.
Designating or relating to a crystal system referred to three unequal axes, two of which intersect each other at right angles, the third or principal axis intersecting one of these at right angles and the other obliquely.
ΘΚΠ
the world > matter > chemistry > crystallography (general) > crystal (general) > crystal systems > [adjective] > monoclinic
monoclinohedral1832
oblique1835
monoclinate1847
monoclinohedric1854
monoclinic1856
monoclinometric1858
monosymmetric1880
monosymmetrical1888
1856 W. P. Blake Rep. Geol. (U.S. War Dept.: Rep. Explor. Route to Pacific II) v. v. 32 The mineral species Gypsum..crystallizes in beautiful transparent crystals, which belong to the monoclinic system.
1879 A. Geikie in Encycl. Brit. X. 227/2 The Monoclinic or Orthoclase felspars.
1903 Daily Chron. 7 Nov. 3/3 The pyroxene phenocrysts usually are represented by separate crystals of the monoclinic as well as the rhombic type.
1940 G. H. J. Adlam & L. S. Price Higher School Certificate Inorg. Chem. (ed. 2) xiv. 92 Sulphur can exist in at least four phases since there are two solid phases, namely, rhombic and monoclinic.
1989 Jrnl. Petrol. 30 233 Chemically homogeneous..staurolite is weakly monoclinic.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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adj.1856
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