| 单词 | welsh diamond |
| 释义 | > as lemmasWelsh diamond ΘΚΠ society > occupation and work > materials > raw material > gem or precious stone > rock crystal > [noun] crystalOE diamond1591 mountain crystal1598 rock crystal1598 Welsh diamond1705 Irish diamond1774 magne-crystal1870 the world > the earth > minerals > types of mineral > silicates > tectosilicate > [noun] > quartz > crystalline quartzes > rock crystal crystalOE irisa1387 crystalline1539 rainbow-stone1587 Cornish diamond1591 diamond1591 mountain crystal1598 rock crystal1598 pebble1688 Cornish stone1695 Welsh diamond1705 rainbow crystal1748 quartz crystal1770 Irish diamond1774 1705 Philos. Trans. Abridg'd 1665–1700 (Royal Soc.) 3 i. iv. 182 Calculi examined Hydrostatically, were found in proportion to their Bulk of Water as 5 to 4; Flint, Chrystall, Petrifyed-Water, Welch-Diamonds, Petrify'd Wood, almost as heavy again as our Calculous Matter. 1884 F. J. Britten Watch & Clockmakers' Handbk. (new ed.) 215 Rock Crystal..also known as ‘Bristol’, ‘Welsh’,..or ‘Irish’ diamond, is also used by watch jewellers. < as lemmas |
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