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gold mine

a mine yielding gold.
a source of great wealth or profit, or any desirable thing.
a copious source or reserve of something required:
a gold mine of information about antiques.
Origin of gold mine
late Middle English
late Middle English word dating back to 1425-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for gold-mine
Historical Examples
  • If it is, I would rather own that property than any gold-mine I know of.'

    A Woman Intervenes Robert Barr
  • Have you any more of the gold-mine stock you offered me some time ago?

    Patchwork Anna Balmer Myers
  • Porportuk was bourgeois, and Porportuk bought him out of the gold-mine.

    Lost Face Jack London
  • She represented his gold-mine, without which he had no means of living.

  • And when Gustus is twenty-one he will have half the money that came from the gold-mine.

    The Magic World Edith Nesbit
  • It is their gold-mine—their one grand opportunity of getting a little money.

    The Toilers of the Field Richard Jefferies
  • "I'll aim at him as if he were a gold-mine," replied Steve, as he raised his rifle.

    The Talking Leaves

    William O. Stoddard
  • Raleigh did not find the gold-mine, but he was a man of his word.

    The Children's Book of London Geraldine Edith Mitton
  • Three acres and a gold-mine was just about what Jack was worth.

    Mammon and Co. E. F. Benson
  • Is there not an ocean of enigmas yet to be fathomed, a gold-mine of knowledge yet to be explored?

    Natural Man Arthur B. Moss
British Dictionary definitions for gold-mine

gold mine

a place where gold ore is mined
a source of great wealth, profit, etc
Derived Forms
gold-miner, noun
gold-mining, noun
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 gold-mine

late 15c., from gold + mine (n.). Figurative use by 1882.

Online Etymology Dictionary, © 2010 Douglas Harper
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Idioms and Phrases with gold-mine

gold mine

A rich, plentiful source of wealth or some other desirable thing, as in That business proved to be a gold mine, or She's a gold mine of information about the industry. [ First half of 1800s ]
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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