The phrase "a large cornerstone of" is correct and usable in written English.
It can be used to describe something that is fundamental or essential to a particular concept, structure, or system.
Example: "Education is a large cornerstone of a successful society, shaping the future of its citizens."
Alternatives: "a key element of" or "a vital foundation of".
In "Lost Cornerstone," a large statue of an eagle swings from the ceiling in relentless circles.
Mr. Booker, a Democratic Senate candidate who has made improving the hardscrabble image of the state's largest city a cornerstone of his two terms as mayor, held a news conference at the police communications center to address the crime, which took place in August and came to the attention of the police on Friday.
Considering the need to improve quality of care for individuals with diabetes in Latin America [ 25], a significant contribution of this program was its ability to use screening as a cornerstone of a larger plan aimed at reorganizing the care of diabetes.
This is a fundamental cornerstone of a larger research program aimed at similar objectives but focusing on more realistic engineering applications such as heavy vehicles, rotorcraft fuselage and buildings subjected to cross-winds.
Apparently, no one around Frank or Dodd questioned the utility of extending bank regulation to other large financial firms, a cornerstone of the Obama administration proposal.
Chinese companies are also relying increasingly on so-called cornerstone investors, who commit to buy a large part of an I.P.O. in advance.
Pharmacotherapy is a cornerstone in the treatment of many diseases and consequently a large proportion of the population is prescribed or self-medicates with pharmaceuticals [ 1].
Discovery of a large number of conserved non-coding elements (CNEs) in vertebrate genomes provides a cornerstone to elucidate molecular mechanisms of macroevolution.
The cornerstone of such a project will be the comprehensive characterization of epigenomes in a large number of cancer samples.
In the center of the seating area, behind a velvet rope, a large red granite cornerstone, engraved in gold lettering, was surrounded by sand.
