Definition, Meaning & Synonyms

mother-lode

noun
/ˈməðər ˌloʊd/
Definition
A principal source of a valuable mineral or resource.
Examples
  • The gold discovery was just the start; they eventually found the mother-lode that made them millionaires.
  • In the research field, this data set is considered the mother-lode for understanding climate change.
  • She struck the mother-lode of inspiration when she traveled to Europe, changing her artistic direction completely.
Meaning
The term refers to the largest or most important source of something, especially wealth or a particular substance.
Synonyms
  • treasure trove
  • bonanza
  • goldmine
  • rich vein