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

English edit

 
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Banded opal, a variety of opal (1)

Etymology edit

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 edit

  • (UK) IPA(key): /ˈəʊpəl/
  • (file)
  • (US) IPA(key): /ˈoʊpəl/
  • Rhymes: -əʊpəl

Noun edit

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 edit

Translations edit

Further reading edit

  • 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 edit

Cebuano edit

Etymology edit

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 edit

  • Hyphenation: o‧pal

Noun edit

opal

  1. (mineralogy) opal

Polish edit

 
Polish Wikipedia has an article on:
Wikipedia pl

Pronunciation edit

Etymology 1 edit

Noun edit

opal m inan

  1. (mineralogy) opal
Declension edit
Derived terms edit
adjective

Etymology 2 edit

See the etymology of the corresponding lemma form.

Verb edit

opal

  1. second-person singular imperative of opalić

Further reading edit

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

Romanian edit

Etymology edit

Borrowed from German Opal or Latin opalus or French opale.

Noun edit

opal n (plural opale)

  1. (mineralogy) opal

Declension edit