What is the meaning of Opal?
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)
A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
Any of various lycaenid butterflies of the genus Nesolycaena.
second-person singular imperative of opalić
Source: wiktionary.orgSearch words containing