mother lode definition

  • noun:
    • The main vein of ore in a spot.
    • a plentiful or rich origin: "the kind . . . who tends to make Boston mom lode of advance men” ( David Nyhan).
    • a sizable or rich vein of gold or of some other precious mineral where other limbs extend.
    • Any supply of valuable or of good use material.
    • the primary vein of ore in a deposit

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  • Urban Dictionary for "mother lode"
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