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[ber-uh l]
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  1. a mineral, beryllium aluminum silicate, Be3Al2Si6O18, usually green, but also blue, rose, white, and golden, and both opaque and transparent, the latter variety including the gems emerald and aquamarine: the principal ore of beryllium.

Origin of beryl

1275–1325; Middle English beril (< Anglo-French) < Late Latin bērillus, Latin bēryllus < Greek bḗryllos
Related formsber·yl·ine [ber-uh-lin, -lahyn] /ˈbɛr ə lɪn, -ˌlaɪn/, adjective


  1. a female given name.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for beryl

Contemporary Examples

Historical Examples

  • Stern opened his gold case now and offered Beryl a cigarette.

    Martians Never Die

    Lucius Daniel

  • "You've changed, Clyde," Beryl was saying as she hugged him.

    Martians Never Die

    Lucius Daniel

  • Tires screeched in the driveway while Beryl was still at the telephone.

    Martians Never Die

    Lucius Daniel

  • "Why, because they might be able to make it," Beryl spoke up.

    Martians Never Die

    Lucius Daniel

  • The girths of her saddle were of silk and the buckles were each one a beryl.

British Dictionary definitions for beryl


  1. a white, blue, yellow, green, or pink mineral, found in coarse granites and igneous rocks. It is a source of beryllium and is sometimes used as a gemstone; the green variety is emerald, the blue is aquamarine. Composition: beryllium aluminium silicate. Formula: Be 3 Al 2 Si 6 O 18 . Crystal structure: hexagonal
Derived Formsberyline, adjective

Word Origin

C13: from Old French, from Latin bēryllus, from Greek bērullos, of Indic origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for beryl


hard, lustrous mineral, c.1300, from Old French beryl (12c., Modern French béryl), from Latin beryllus, from Greek beryllos, perhaps from Prakrit veruliya, from Sanskrit vaidurya-, of Dravidian origin, perhaps from the city of Velur (modern Belur) in southern India.

Medieval Latin berillus also was applied to any precious stone of a pale green color, to fine crystal, and to eyeglasses (the first spectacle lenses may have been made of beryl), hence German Brille "spectacles," from Middle High German berille "beryl," and French besicles (plural) "spectacles," altered 14c. from Old French bericle.

Online Etymology Dictionary, © 2010 Douglas Harper

beryl in Science


  1. A usually green or bluish-green hexagonal mineral occurring as transparent to translucent prisms in igneous and metamorphic rocks. Transparent varieties, such as emeralds and aquamarine, are valued as gems. Beryl is the main source of the element beryllium. Chemical formula: Be3Al2Si6O18.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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