opal
n. 蛋白石, 猫眼石 [化] 蛋白石
发音
词形变化
释义与例句
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1.
A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.
蛋白石
欧泊
化学 地质 -
2.
A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.
A precious gem, an iridescent gemstone found in the opal-silica mineral substrate (potch)
化学 地质 -
3.
The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.
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4.
A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
化学 生物 医学 -
5.
Any of various lycaenid butterflies of the genus Nesolycaena.
词汇关系
上位词 1
下位词 3
相关短语
词源
In Florio’s A World of Words 1598 as opale, from French opale, from Latin opalus, from Byzantine Greek ὀπάλλιος (opállios), from Sanskrit उपल (upala, “gem, stone”), from उपरि (upári, “the upper millstone”). Distantly related to over.
来源：wiktionary