Definition of gold mine
: a rich source of something desired
Examples of gold mine in a sentence
The library is a gold mine of information.
<the estate sale promises to be a gold mine for antique dealers>
First Known Use of gold mine
GOLD MINE Defined for English Language Learners
Definition of gold mine for English Language Learners
: a place where gold is dug from the ground : a mine that produces gold
: something that has or produces a lot of something desired (such as money)
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