Meaning of mother lode | Babel Free

Definitions

1. A large or rich vein of gold or of another precious mineral from which other branches extend.
2. Any source of valuable or useful material.
   broadly, idiomatic

Equivalents

Examples

“Undeterred, reasoning from the coarseness of the gold that it had not traveled far, they had set out in search of the mother lode.”

“It is also letting them probe the genomes of other organisms for DNA that could turn out to be a mother lode for medicine.”

“Emerging, but No Longer a Mother Lode of Profits [title]”

CEFR level