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Meaning of gold mine

gold' mine"

Pronunciation: [key]
  1. a mine yielding gold.
  2. a source of great wealth or profit, or any desirable thing.
  3. a copious source or reserve of something required: a gold mine of information about antiques.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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