mother lode

名词 n.
中文释义

英文释义

名词 n.
  1. A large or rich vein of gold or of another precious mineral from which other branches extend.
    — Undeterred, reasoning from the coarseness of the gold that it had not traveled far, they had set out in search of the mother lode.
  2. Any source of valuable or useful material. broadly,idiomatic
    — It is also letting them probe the genomes of other organisms for DNA that could turn out to be a mother lode for medicine.

词形变化

mother lodes plural mother-lode alternative motherlode alternative

词源

Probably a calque of Spanish veta madre (“mother lode”).
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