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Definisjon av opal

Vi fant 4 definisjoner av opal på engelsk.

Annonsering

WordNet WordNet by Princeton University

Noun
opal - a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition
opaque gem a gemstone that is opaque
black opal a dark colored opal with internal reflections of green or red
fire opal, girasol an opal with flaming orange and yellow and red colors
= synonym
= antonym
= relatert ord

Wiktionary Wiktionary dictionary logo

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

Wikipedia Wiktionary dictionary logo

  • Opal is a mineraloid gel which is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl and basalt. The word opal comes from the Latin opalus, by Greek ὀπάλλιος opallios. The water content is usually between three and ten percent, but can be as high as twenty percent.

OmegaWiki Dictionary Ω

  • opal
    A mineraloid gel which is deposited at a relatively low temperature and may occur in the fissures of almost any kind of rock, being most commonly found with limonite, sandstone, rhyolite, marl and basalt. (source: Wikipedia)

Substantiv

  • Entall: opal
  • Flertall: opals

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