opal
A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and…A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.
» Tom gave Mary an opal ring.
Том подарил Мэри кольцо с опалом.
Meaning
5 sensesA mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.
Opal
опа́лopál
a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
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)
The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.
A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
Any of various lycaenid butterflies of the genus Nesolycaena.
Examples
8 sentencesTom gave Mary an opal ring.
ruТом подарил Мэри кольцо с опалом.
Is that an opal in your ring?
An opal is a form of silicon.
Something that is opaline looks like opal.
Is that an opal?
Translations
8 languagesBy meaning 1
By meaning 1
Origin
In Florio’s A World of Words 1598 as opale, from French opale, from Latin opalus, from ByzIn 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.
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