A hard, smooth, usually round, iridescent mass, typically white or bluish grey, formed of layers of calcium carbonate deposited around a foreign…
| 单词 | θ215722 |
| 释义 | society > occupation and work > materials > raw material > gem or precious stone > artificial stone > [noun] > artificial pearl (5) pearlc1375 A hard, smooth, usually round, iridescent mass, typically white or bluish grey, formed of layers of calcium carbonate deposited around a foreign… Welsh pearl1681 a flattish black gem resembling a pearl. Roman pearl1792 an imitation pearl of a type originally imported from Italy, usually made by coating the interior of a hollow glass bead with a nacreous or… fish-pearl1853 an artificial pearl (see quot.). Tecla1908 The proprietary name of a make of artificial pearl. |
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