Meaning of the word goldmine in English

What does goldmine mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

goldmine

US /ˈɡoʊldˌmaɪn/
UK /ˈɡəʊldmaɪn/

Noun

1.

a place where gold is mined

Example:
The prospectors discovered a rich goldmine in the mountains.
The old goldmine has been abandoned for decades.
2.

a source of great wealth or profit

Example:
His new business venture turned out to be a real goldmine.
That old book collection is a goldmine for researchers.