macrodomen.

Brit.

/ˈmakrə(ʊ)dəʊm/, U.S.

/ˈmækrəˌdoʊm/

Origin: Apparently formed within English, by back-formation. Etymon: macrodomatic adj.

Etymology: Apparently a back-formation < macrodomatic adj.

Crystallography.

A dome (dome n. 5b) whose axis is parallel to the macro-axis of a crystal.

ΚΠ

1883 Encycl. Brit. XVI. 360/2 When n = ∞ a macrodome results.

1960 F. H. Pough Field Guide Rocks & Minerals (ed. 3) iv. 51 The forms are the same as those of the orthorhombic system, except that the macrodomes become..clinodomes.

1987 R. L. Bates & J. A. Jackson Gloss. Geol. (ed. 3) 394/2 A macrodome with four faces is a rhombic prism.

This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).

单词	macrodome
释义	macrodomen. Brit. /ˈmakrə(ʊ)dəʊm/, U.S. /ˈmækrəˌdoʊm/ Origin: Apparently formed within English, by back-formation. Etymon: macrodomatic adj. Etymology: Apparently a back-formation < macrodomatic adj. Crystallography. A dome (dome n. 5b) whose axis is parallel to the macro-axis of a crystal. ΚΠ 1883 Encycl. Brit. XVI. 360/2 When n = ∞ a macrodome results. 1960 F. H. Pough Field Guide Rocks & Minerals (ed. 3) iv. 51 The forms are the same as those of the orthorhombic system, except that the macrodomes become..clinodomes. 1987 R. L. Bates & J. A. Jackson Gloss. Geol. (ed. 3) 394/2 A macrodome with four faces is a rhombic prism. This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022). < n.1883
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