Definition of opal in English:


Pronunciation /ˈōpəl/ /ˈoʊpəl/

See synonyms for opal

Translate opal into Spanish


  • A gemstone consisting of a form of hydrated silica, typically semitransparent and showing many small points of shifting color against a pale or dark ground.

    as modifier ‘an opal ring’
    • ‘The traditional kundan work has also been embellished with semi-precious and precious stones and beads such as tourmalines, tanzanites, opals, aquamarine and peridots.’
    • ‘Diamonds and opals and onyx sat in lumps in the sparkling coloured windows.’
    • ‘In a blinding flash the diamond, moonstone, opal, ruby and sapphire were molded together, inseparable, forever.’
    • ‘Examples of various types of opal gemstones and opal jewelry are part of the exhibit.’
    • ‘Gemstones such as diamonds, opals, sapphires, and rubies are produced in Brazil.’
    • ‘Some gemstones that cannot be placed in most commercial jewellery cleaners are: pearls, lapis lazuli, malachite, opals, coral, turquoise, and others.’
    • ‘This includes opals, turquoise, malachite, pearls, amber, coral, shells, and similar soft or porous materials.’
    • ‘Colorado has no good, documented sites for gem opal, emerald, ruby, and jade, but who knows what exists?’
    • ‘The third and final one was an anklet and the jewel was a turquoise opal.’
    • ‘Composed of gold and enamel and set with a large carved Australian opal, smaller opals, and other stones, it is closely related to avant-garde art nouveau European designs of the period.’
    • ‘The gem was not a ruby, and it wasn't an emerald either, and it wasn't a diamond or an opal or a pearl, and it wasn't jade or tourmaline or jasper.’
    • ‘But the one piece that attracted me was an opal and diamond ring.’
    • ‘The council sat silently while he passed out an onyx and an opal to every one.’
    • ‘Such a structure reflects light in unusual ways similar to mother-of-pearl or the gemstone opal.’
    • ‘It is said the opal will turn pale if brought into the presence of poison.’
    • ‘The berries are an unusual creation of repousse silver covered in enamel and interspersed with carved carnelians and Mexican opals.’
    • ‘My late husband, Milton, loved cutting opals, was very good at it, and developed a nice business as an opal cutter.’
    • ‘So Santa, if you're reading, do bring me my weight in platinum, sapphires and opals.’
    • ‘An opal ring on her finger caught the fire of a faraway chandelier.’


Late 16th century from French opale or Latin opalus, probably based on Sanskrit upala ‘precious stone’ (having been first brought from India).