英语词汇“etch figure”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

etch figure n. [translating German aetzfigur (H. A. Baumhauer 1869, in Ann. d. Physik u. Chem. CXXXVIII. 563)] a depression on the face of a crystal caused by the action of a solvent.

ΚΠ

1879 Jrnl. Chem. Soc. 36 439 ‘Etch-figures’ on quartz crystals.

1879 Jrnl. Chem. Soc. 36 440 Different ‘etch-figures’ are produced by acids upon the octohedral faces from those produced by the action of water upon those faces.

1922 A. E. H. Tutton Crystallogr. (ed. 2) II. iii. liii. 1200 These etch-figures in every case are symmetrical to the single plane of symmetry.

1923 R. Glazebrook Dict. Appl. Physics V. ii. 376/2 The etched facets on crystal surfaces..appear as more or less isolated markings on the crystal surface. In the latter case they exhibit the typical geometrical characteristics of the crystal, and are known as ‘etch figures’.

单词	etch figure
释义	> as lemmas etch figure etch figure n. [translating German aetzfigur (H. A. Baumhauer 1869, in Ann. d. Physik u. Chem. CXXXVIII. 563)] a depression on the face of a crystal caused by the action of a solvent. ΚΠ 1879 Jrnl. Chem. Soc. 36 439 ‘Etch-figures’ on quartz crystals. 1879 Jrnl. Chem. Soc. 36 440 Different ‘etch-figures’ are produced by acids upon the octohedral faces from those produced by the action of water upon those faces. 1922 A. E. H. Tutton Crystallogr. (ed. 2) II. iii. liii. 1200 These etch-figures in every case are symmetrical to the single plane of symmetry. 1923 R. Glazebrook Dict. Appl. Physics V. ii. 376/2 The etched facets on crystal surfaces..appear as more or less isolated markings on the crystal surface. In the latter case they exhibit the typical geometrical characteristics of the crystal, and are known as ‘etch figures’. extracted from etchv.² < as lemmas
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