GOLDMINE


Meaning of GOLDMINE in English

gold ‧ mine BrE AmE , gold mine /ˈɡəʊldmaɪn $ ˈɡoʊld-/ noun [countable]

1 . informal a business or activity that produces large profits:

The nightclub turned out to be a goldmine.

2 . a place where gold is dug out from a hole in the ground

3 . be sitting on a goldmine to own something very valuable, especially without realizing it

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.