English
wikipedia

Pronunciation
audio|en-us-mother lode.ogg|Audio (US)

Noun
mother lode

1. A large or rich vein of gold or other precious material from which others extend.
2. context|by extension Any rich ore, or source of other useful material

#:The library was a mother lode of information on the subject.

zh:mother lode

• 2007-08-26 18:34 - AutoFormat - -(''by extension'') +{{context|by extension}}

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