as in gold mine
an abundant source
the university has long been a mother lode of athletic talent, with many alumni joining the rarefied ranks of the professionals
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Recent Examples of mother lode
Game shows have always been about making a deal, but this was the mother lode!
—
Lindsay Soll, EW.com, 25 July 2025
And in another kind of desert, the Tatacoa in Colombia, two bare-bones museums hold a mother lode of 10 million-year-old fossils for study.
—Troy Aidan Sambajon, Christian Science Monitor, 2 Mar. 2025
Considering how much Italy is growing in terms of national branding, accessing the mother lode of tourism could be a great opportunity for foreign investors interested in Italy.
—Andrea Pietrini, Forbes, 20 Feb. 2025
There are nearly 1,600 types of beans alone in this mother lode called The Exchange, each with its own story of human connection.
—Margaret Roach, New York Times, 15 Jan. 2025
See All Example Sentences for mother lode
Lindsay Soll, EW.com, 25 July 2025
And in another kind of desert, the Tatacoa in Colombia, two bare-bones museums hold a mother lode of 10 million-year-old fossils for study.
—Troy Aidan Sambajon, Christian Science Monitor, 2 Mar. 2025
Considering how much Italy is growing in terms of national branding, accessing the mother lode of tourism could be a great opportunity for foreign investors interested in Italy.
—Andrea Pietrini, Forbes, 20 Feb. 2025
There are nearly 1,600 types of beans alone in this mother lode called The Exchange, each with its own story of human connection.
—Margaret Roach, New York Times, 15 Jan. 2025
See All Example Sentences for mother lode
Recent Examples of Synonyms for mother lode
Noun
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Thankfully, Amazon is a gold mine for fashionable warm-weather tops, and several are already on sale ahead of Memorial Day weekend.—
Julia Morlino,
Travel + Leisure,
19 May 2026
-
Belo Sun has sought since 2012 to establish the Volta Grande gold mine on the banks of the Xingu River in Para state.—
ABC News,
ABC News,
18 May 2026
Noun
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Plus, the continent’s demographic trends, such as the fact that more than 60 percent of Africans are under the age of 25, further make Africa a treasure trove of stories that the world seems more ready to pay attention to than ever before, the fund has emphasized.—
Georg Szalai,
HollywoodReporter,
14 May 2026
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Even before this current chaos began, the underappreciated treasure troves of the Gulf’s ecosystems were under stark pressure, scientists say.—
Meghan Bartels,
Scientific American,
14 May 2026
Noun
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Used by 4 million organizations and 180 million developers, the cloud platform has more than 400 million code repositories in total.—
Davey Winder,
Forbes.com,
20 May 2026
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For the past 50 years, and in anticipation of their demise, scientists have been banking tissue samples of the species in repositories like San Diego’s Frozen Zoo.—
Alex Morris,
Rolling Stone,
19 May 2026
Cite this Entry
“Mother lode.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mother%20lode. Accessed 25 May. 2026.
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