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.
- ber·yl·ine [ber-uh-lin, -lahyn], /ˈbɛr ə lɪn, -ˌlaɪn/, adjective
Other definitions for Beryl (2 of 2)
a female given name.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use beryl in a sentence
Part of regaining that feeling of a life well lived, to beryl, would appear to be training fellow senior citizens to hunt down murderous deer.
In “The Adventure of the beryl Coronet,” a banker is nearly deceived by his own niece to the tune of £50,000 and his good name.
These new people—that woman for instance, beryl J. Bell—she's young, she believes in her books, her mind isn't tired like mine.Happy House | Betsey Riddle, Freifrau von Hutten zum Stolzenberg
After the formal introduction Lady beryl led the way into the library, wherein stood the time-lock safe.
Then he looked from Cleek to Lady beryl, who was leaning against the table, overcome with emotion.
Cleek flashed an inquiring look at his host, who in his turn was mutely questioning Lady beryl.
In the sheltered Caribbean cove the water was warm as milk, green and clear as liquid beryl, and shot through with shimmering sun.Kings in Exile | Sir Charles George Douglas Roberts
British Dictionary definitions for beryl
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
- beryline, adjective
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
Scientific definitions for beryl
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.