as in cornerstone
an immaterial thing upon which something else rests
a sense of history is the keystone to the city's draw as a tourist destination
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Example Sentences
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Recent Examples of keystone
Known as keystone species, these creatures play a critical role in maintaining balance, diversity, and resilience.
—
Scott Hutcheson, Forbes, 7 Jan. 2025
The projector now features automatic screen alignment together with manual keystone correction, making setup relatively simple while also allowing for seamless switching between screen sizes.
—Paul Ridden, New Atlas, 6 Jan. 2025
As a threatened species, gopher tortoises are called a keystone species because hundreds of other animals depend on them for their burrows.
—Orlando Sentinel Staff, Orlando Sentinel, 3 Jan. 2025
The New York Yankees could be looking for an upgrade at the keystone.
—Matt Robison, Newsweek, 20 Nov. 2024
See all Example Sentences for keystone 
Scott Hutcheson, Forbes, 7 Jan. 2025
The projector now features automatic screen alignment together with manual keystone correction, making setup relatively simple while also allowing for seamless switching between screen sizes.
—Paul Ridden, New Atlas, 6 Jan. 2025
As a threatened species, gopher tortoises are called a keystone species because hundreds of other animals depend on them for their burrows.
—Orlando Sentinel Staff, Orlando Sentinel, 3 Jan. 2025
The New York Yankees could be looking for an upgrade at the keystone.
—Matt Robison, Newsweek, 20 Nov. 2024
See all Example Sentences for keystone
Recent Examples of Synonyms for keystone
Noun
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The trucking industry is a cornerstone of the global economy, moving goods that sustain our businesses and communities.—
Reader Commentary,
Baltimore Sun,
28 Jan. 2025
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Since its debut in 1995, the Vans Warped Tour has been a cornerstone of alternative music culture, launching the careers of acts like Paramore, Blink-182, and My Chemical Romance, and providing a stage for countless others.—
Jessica Lynch,
Billboard,
28 Jan. 2025
Noun
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Many of these genes code for proteins involved in hormonal or metabolic pathways (sequence of reactions in which one substance converts to another) that are the basis for PCOS symptoms.—
Laura Young,
Verywell Health,
22 Jan. 2025
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Share [Findings] The Journal of Pediatric Genetics retracted a study on Islamic beliefs concerning the possible supernatural causes of birth defects on the grounds that the research lacked a scientific basis.—
Rafil Kroll-Zaidi,
Harper's Magazine,
22 Jan. 2025
Noun
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Connecticut’s robust public higher education system, thriving local economy, plentiful local talent, and successful public-private partnerships provide an ideal foundation for implementing AI programs like the Connecticut Online AI Academy.—
Lisa Gevelber,
Hartford Courant,
28 Jan. 2025
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This waterproof foundation is guaranteed to stay put for a solid 12 hours.—
Angela Trakoshis,
Allure,
28 Jan. 2025
Noun
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Their talent spotting was the bedrock of their unbeaten domestic double last season.—
The Athletic UK Staff,
The Athletic,
24 Jan. 2025
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Altadena has for years been a bedrock of the NAACP in Southern California, given its history and high rate of Black homeowners, Johnson said, often used as a model for how Black families can build equity through homeownership.—
Terry Castleman,
Los Angeles Times,
23 Jan. 2025
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Cite this Entry
“Keystone.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/keystone. Accessed 2 Feb. 2025.
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