opal

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See also: Opal, opál, ópal, òpal, and opał

English

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English Wikipedia has an article on:
Wikipedia
Banded opal, a variety of opal (1)

Etymology

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In Florio’s A World of Words 1598 as opale, from French opale, from Latin opalus, from Byzantine Greek ὀπάλλιος (opállios), from Sanskrit उपल (upala, gem, stone), from उपरि (upári, the upper millstone).[1] Distantly related to over.

Pronunciation

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Noun

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opal (plural opals)

  1. (mineralogy) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.
    1. (gemology) A precious gem, an iridescent gemstone found in the opal-silica mineral substrate (potch)
    • 2012 March, Lee A. Groat, “Gemstones”, in American Scientist[1], volume 100, number 2, archived from the original on 14 June 2012, page 128:
      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.)
  2. (biology, genetics, biochemistry) A colloquial name used in molecular biology referring to a particular stop codon sequence, "UGA."
  3. Any of various lycaenid butterflies of the genus Nesolycaena.

Derived terms

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Translations

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Further reading

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  • David Barthelmy (1997–2024) “Opal”, in Webmineral Mineralogy Database.
  • opal”, in Mindat.org[2], Hudson Institute of Mineralogy, 2000–2024.
  1. ^ Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988

Anagrams

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Cebuano

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Etymology

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From English opal, from French opale, from Latin opalus, from Byzantine Greek ὀπάλλιος (opállios), from Sanskrit उपल (upala, gem, stone), from उपरि (upári, the upper millstone).

Pronunciation

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  • Hyphenation: o‧pal

Noun

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opal

  1. (mineralogy) opal

Polish

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Polish Wikipedia has an article on:
Wikipedia pl

Pronunciation

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Etymology 1

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Noun

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opal m inan

  1. (mineralogy) opal
Declension
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Derived terms
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adjective

Etymology 2

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See the etymology of the corresponding lemma form.

Verb

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opal

  1. second-person singular imperative of opalić

Further reading

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  • opal in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
  • opal in Polish dictionaries at PWN

Romanian

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Etymology

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Borrowed from German Opal or Latin opalus or French opale.

Noun

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opal n (plural opale)

  1. (mineralogy) opal

Declension

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