Associations to the word «Opal»

Wiktionary

OPAL, noun. (mineralogy) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.
OPAL, noun. (biology) (genetics) (biochemistry) A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
OPAL, proper noun. A female given name from the precious stone, invented in the nineteenth century.
OPAL, proper noun. (Australia) A type of petrol made by British Petroleum designed to be unable to be used for petrol sniffing.[Developed 2005.]
OPAL, proper noun. A hamlet in Alberta, Canada
OPAL, proper noun. A CDP in Virginia
OPAL, proper noun. A town in Wyoming
OPAL GLASS, noun. Type of opaque, translucent glass

Dictionary definition

OPAL, noun. A translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones.

Wise words

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