: a usually amorphous mineral that is a hydrated silica softer and less dense than quartz and typically with definite and often marked iridescent play of colors and is used especially as a gem

Examples of opal in a Sentence

Recent Examples on the Web The shop features the brand’s popular designs — including gold jewelry featuring diamonds, opals, sapphires and more. Chris Sims, The Indianapolis Star, 2 July 2024 Its regal galleries showcase raw opals and the world’s largest collection of Aboriginal artifacts, including shields, totems, spears, and boomerangs — one of which is more othan 7,000 years old. Tony Perrottet, Travel + Leisure, 25 June 2024 The fossils were discovered about 25 years ago in the Lightning Ridge opal fields, a region of New South Wales known for producing valuable black opals. Sarah Kuta, Smithsonian Magazine, 13 June 2024 Sweeney's metallic underwear — which retails for $5,800 on Miu Miu's website — also comes in beige (Emma Corin modeled the colorway on the runway last spring) and pink opal. Nicholas Rice, Peoplemag, 9 Mar. 2024 See all Example Sentences for opal 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'opal.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Latin opalus, from Greek opallios, ultimately from Sanskrit upala stone, jewel

First Known Use

circa 1586, in the meaning defined above

Time Traveler
The first known use of opal was circa 1586

Dictionary Entries Near opal

Cite this Entry

“Opal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/opal. Accessed 26 Jul. 2024.

Kids Definition

opal

noun
: a mineral with changeable colors that is used as a gem

More from Merriam-Webster on opal

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!