опа́л — meaning in English

English meaning

• opal noun A gemstone form of silica that often displays a shifting play of rainbow colors within it.

Senses

опа́л is used for these senses in English:

• opal (mineral) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.

opal — full definition

1. noun A gemstone form of silica that often displays a shifting play of rainbow colors within it.
2. noun A pale, milky blue color flecked with other colors, named after the gemstone.