Opal

Quick meaning: Opal is a noun meaning The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.

Meaning

The colour of opal: any shade of blue with bright flecks of other colours, such as white, yellow, and red.

More Meanings

1. (biology, genetics, biochemistry) A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
2. Any of various lycaenid butterflies of the genus Nesolycaena.
3. (mineralogy) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO₂·nH₂O.

Example Sentences

The witchery of the dawn turned the grey river-reaches to purple, gold, and opal; and it was as though the lumbering dhoni crept across the splendors of a new heaven.

Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)

Word Forms

• opals

Related Words

Related dictionary entries include moonstone, hyalite, menilite, geyserite, gemstone, gem.

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