The phrase "a unique importance in" is correct and usable in written English.
It can be used to emphasize the distinct significance of something within a particular context or field.
Example: "The research findings hold a unique importance in the development of sustainable energy solutions."
Alternatives: "a distinct significance in" or "a special relevance in".
The concentration and viscosity of the slurry are related to each other, and they have a unique importance in the case of industrial application of the slurry.
But, it turns out, the Rock and the massive boulders along the shoreline have a unique importance in the recent history of Scottish climbing too.
Interestingly, α-syn has a unique importance in the aetiology of PD, as it appears to link familial and sporadic forms of the disease [ 6].
You are a special caring adult who is not a mom or aunt but a completely new person with a unique importance in their life.
This year's local elections, usually fought on important local issues from rubbish collection to fly tipping, have been gifted a unique importance: for the first time in 30 years, a local election campaign precedes a general election in the same year.
In the Trump administration, though, Rosenstein had taken on a unique importance because of his central role in the Russia investigation, and the fear among Democrats that removing him could lead to catastrophic consequences for Mueller — particularly given the public statements made by both Whitaker and Barr about Mueller's work.
Noise is a major cause of health disorders in workers and has unique importance in the auditory analysis of people exposed to it.
Osbon: Oil has unique importance in capital preservation and growth, since it is one of only two commodities (the other is gold) in what I call "the 10 most important prices in the world".
The Chair of the Ethics Committee is in a position of unique importance, and her integrity and credibility must be beyond reproach.
Rawls argues that because of the unique importance of the choice in the original position including the gravity of the choice, the fact that it is not renegotiable or repeatable, and the fact that it determines all one's future prospects—it is rational to follow the maximin rule and choose the principles of justice.
Even so, given that those most influential in education during the last few decades have been completely dismissive of grammar, some readers may at least be comforted to know that far from my being in isolation in stressing the unique importance of grammar, others clearly well placed to make a judgement have recently seen fit to air the same view in even stronger language than I have been using.
