The phrase "preeminent example" is correct and usable in written English.
It can be used to highlight something that stands out as the best or most important instance of a particular category.
Example: "The Mona Lisa is often cited as a preeminent example of Renaissance art."
Alternatives: "prime example" or "leading example".
Tom was and remains a preeminent example of his favorite saying, "it is better to be born lucky than rich".
"You can't really overstate how China becoming expensive is affecting companies that are trying to produce things cheaply, fast fashion being the preeminent example of that," Cline said.
The Pope holds her out as the symbol the world most needs, the preeminent example of hope coming to man not through sophistication or domination but through simple obedience and fidelity.
Google is the preeminent example.
"Star Wars: Knights of the Old Republic is the most critically acclaimed Star Wars game in LucasArts history and a preeminent example of our company's interactive storytelling heritage," said Darrell Rodriguez, President of LucasArts.
Obama is the "preeminent example of a liberal falling in love with Francis," said Candida Moss, a theology professor at the University of Notre Dame.
"Thorncrown Chapel stands among the preeminent examples of spiritual architecture in the 20th century," AIA CEO Robert Ivy said.
Who knows what would have become of me had I grown up in an era where my idols, the preeminent examples for success from communities like mine, limited their content to the four or five themes that dominate today's hip hop landscape.
The filamentous fungus Neurospora crassa is a preeminent model for eukaryotic circadian clocks.
For example, Chuck Norris, the preeminent black belt and prospective Red Shirt, wrote earlier this month on the conservative blog WorldNetDaily: "How much more will Americans take?
Let's take Beijing, not just China's capital, but the most preeminent internet hub, as an example: Monthly rent for a one-bedroom apartment is approximately RMB¥2,300-5,000 ($340-750 at recent exchange rates) outside of the city and RMB¥5,000-9,000 ($750-$1,300) in the city center.
