crystal (sense A. 2a); (also) a piece of this; †a container made of this (obsolete).
单词 | θ7005 |
释义 | the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > quartz > crystalline quartzes > rock crystal > piece of (7) crystal stonea1387 crystal (sense A. 2a); (also) a piece of this; †a container made of this (obsolete). irisa1387 A hexagonal prismatic crystal (mentioned by Pliny Nat. Hist. xxxvii. ix. 52). crystala1393 A piece of such a substance, typically considered as a precious stone or as having magical properties. rock crystal1660 As a count noun: a piece or specimen of this. quartz crystal1770 Quartz in crystalline form, rock crystal; a piece or single crystal of this, (later esp.) one used in a clock or other device. Subcategories:— enclosing other fragments (2) |
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