orthodomen.adj.

Brit.

/ˈɔːθə(ʊ)dəʊm/, U.S.

/ˈɔrθoʊˌdoʊm/

Origin: Formed within English, by compounding. Etymons: ortho- comb. form, dome n.

Etymology: < ortho- comb. form + dome n.

Crystallography.

In a monoclinic crystal: a dome with faces parallel to the orthodiagonal axis. Cf. dome n. 5b. Also attributive or as adj.

ΚΠ

1854 J. D. Dana Syst. Mineral. (ed. 4) i. ii. 44 The plane 1i, f. 112, is a hemi-orthodome; and the same with -1i, f. 113.]

1858 J. Nicol in Encycl. Brit. XV. 48/2 Thus from ±mP, by multiplying the orthodiagonal by any number n, a series of orthopyramids ±mPn is produced, with the orthodomes ±mP∞, as limiting forms.

1872 T. Egleston Lect. on Mineral. 27 It has an easy cleavage parallel to the base and a less easy one parallel to an orthodome.

1899 Science 19 May 719/1 The crystals were of simple type, a rhombic prism with orthodome modification on obtuse angles.

1922 Proc. Royal Soc. A. 101 248 Like the rubidium salt, the faces of the orthodome..were also generally very prominent.

2002 Jrnl. Crystal Growth 244 327 In contrast, those [crystals of copper acetate] grown from aqueous media were orthodome with the {1 0 1}, {0 1 1} and {1 1 0} faces dominating the morphology.

Derivatives

† orthodomatic adj. Obsolete rare Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Orthodomatic, pertaining to or in the direction of an orthodome.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	orthodome
释义	orthodomen.adj. Brit. /ˈɔːθə(ʊ)dəʊm/, U.S. /ˈɔrθoʊˌdoʊm/ Origin: Formed within English, by compounding. Etymons: ortho- comb. form, dome n. Etymology: < ortho- comb. form + dome n. Crystallography. In a monoclinic crystal: a dome with faces parallel to the orthodiagonal axis. Cf. dome n. 5b. Also attributive or as adj. ΚΠ 1854 J. D. Dana Syst. Mineral. (ed. 4) i. ii. 44 The plane 1i, f. 112, is a hemi-orthodome; and the same with -1i, f. 113.] 1858 J. Nicol in Encycl. Brit. XV. 48/2 Thus from ±mP, by multiplying the orthodiagonal by any number n, a series of orthopyramids ±mPn is produced, with the orthodomes ±mP∞, as limiting forms. 1872 T. Egleston Lect. on Mineral. 27 It has an easy cleavage parallel to the base and a less easy one parallel to an orthodome. 1899 Science 19 May 719/1 The crystals were of simple type, a rhombic prism with orthodome modification on obtuse angles. 1922 Proc. Royal Soc. A. 101 248 Like the rubidium salt, the faces of the orthodome..were also generally very prominent. 2002 Jrnl. Crystal Growth 244 327 In contrast, those [crystals of copper acetate] grown from aqueous media were orthodome with the {1 0 1}, {0 1 1} and {1 1 0} faces dominating the morphology. Derivatives † orthodomatic adj. Obsolete rare Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Orthodomatic, pertaining to or in the direction of an orthodome. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.adj.1858
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