goldmine

• Nom désignant littéralement une mine d'où l'on extrait de l'or, et au sens figuré une source de grande richesse, de profit ou de ressources précieuses.

A noun referring to a source of great wealth or valuable resources, either literally as a mine where gold is extracted or figuratively as a source of something highly desired.

1. Source of wealth or valueB2informal

   A place, situation, or thing that provides a large amount of something desirable, such as money, information, or opportunities.

   mine d'or

   • The old library was a goldmine of rare books.
   • Her blog became a goldmine for marketing tips.
   • The abandoned factory turned out to be a goldmine for antique collectors.

   Synonymesbonanzacornucopiajackpotmother lodetreasure trovewellspringwindfall

2. Gold ore mineB1formal

   A location where gold is extracted from the earth.

   Mine d'or

   • The company invested heavily in the new goldmine in South Africa.
   • Miners discovered a rich goldmine deep underground.
   • The goldmine operated for over a century before closing.