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[em-er-uh ld, em-ruh ld] /ˈɛm ər əld, ˈɛm rəld/
a rare variety of beryl that is colored green by chromium and valued as a gem.
Printing. (in Britain) a 6½-point type of a size between nonpareil and minion.
Ornithology. any of numerous small bright green hummingbirds of the genus Chlorostilbon.
having a clear, deep-green color.
Origin of emerald
1250-1300; Middle English emeraude, emeralde < Anglo-French, Old French esmeraude, esmeralde, esmeragde < Latin smaragdus < Greek smáragdos; probably ultimately < Semitic b-r-q shine (≫ Sanskrit marāk(a)la emerald) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for emerald
Contemporary Examples
Historical Examples
  • "A ring of brilliants, with an emerald of price, the setting chased and heavy," read the Valaisan.

    The Headsman James Fenimore Cooper
  • "Ah, it's a long way from here to the emerald City," remarked the King.

    The Lost Princess of Oz L. Frank Baum
  • A young woman, dressed in emerald green, sat at a table against the opposite wall.

    The Blue Germ Martin Swayne
  • Is it safe for us to associate with those people from the emerald City?

    The Lost Princess of Oz L. Frank Baum
  • Yes, this was the crystal hall with the emerald lizards and the sky-blue snakes.

    Fairy Circles Unknown
British Dictionary definitions for emerald


/ˈɛmərəld; ˈɛmrəld/
a green transparent variety of beryl: highly valued as a gem
  1. the clear green colour of an emerald
  2. (as adjective): an emerald carpet
(formerly) a size of printer's type approximately equal to 61/2 point
short for emerald moth
Word Origin
C13: from Old French esmeraude, from Latin smaragdus, from Greek smaragdos; related to Sanskrit marakata emerald
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
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Word Origin and History for emerald

"bright green precious stone," c.1300, emeraude, from Old French esmeraude (12c.), from Medieval Latin esmaraldus, from Latin smaragdus, from Greek smaragdos "green gem" (emerald or malachite), from Semitic baraq "shine" (cf. Hebrew bareqeth "emerald," Arabic barq "lightning").

Sanskrit maragdam "emerald" is from the same source, as is Persian zumurrud, whence Turkish zümrüd, source of Russian izumrud "emerald."

In early examples the word, like most other names of precious stones, is of vague meaning; the mediæval references to the stone are often based upon the descriptions given by classical writers of the smaragdus, the identity of which with our emerald is doubtful. [OED]
Emerald Isle for "Ireland" is from 1795.

Online Etymology Dictionary, © 2010 Douglas Harper
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emerald in Science
A transparent, green form of the mineral beryl. It is valued as a gem.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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emerald in Technology

An object-oriented distributed programming language and environment developed at the University of Washington in the early 1980s. Emeral was the successor to EPL. It is strongly typed and uses signatures and prototypes rather than inheritance.
["Distribution and Abstract Types in Emerald", A. Black et al, IEEE Trans Soft Eng SE-13(1):65-76 (Jan 1987)].

The Free On-line Dictionary of Computing, © Denis Howe 2010
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emerald in the Bible

Heb. nophek (Ex. 28:18; 39:11); i.e., the "glowing stone", probably the carbuncle, a precious stone in the breastplate of the high priest. It is mentioned (Rev. 21:19) as one of the foundations of the New Jerusalem. The name given to this stone in the New Testament Greek is smaragdos, which means "live coal."

Easton's 1897 Bible Dictionary
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