The phrase "a cluster of major" is correct and usable in written English.
It can be used when referring to a group of significant or important items, events, or concepts that are related or connected in some way.
Example: "The research identified a cluster of major factors contributing to climate change."
Alternatives: "a group of significant" or "a collection of key".
But the emerging world is likely to be home to a cluster of major powers, old and new.
Decisions are now being made about a cluster of major civic projects that, between them, will exercise an unprecedented impact on the immediate and long-range future of New York.
We now have nine good movies jostling for Best Picture; we have a cluster of major stars; and, in "12 Years a Slave," we have matters of historical weight being addressed not with an overcrowded slog (think of "Gandhi") but with intimate concentration.
Xiaomi and Ant Financial are two of a cluster of major tech names being linked with IPOs in Hong Kong.
But the alternative is dire - a probable intensification of conflict and instability in a country strategically located in a region with a cluster of major powers including China, Russia, India, Iran and Pakistan.
At least that way people know who to let inside when you're queued up! Chances are, unless you're in a cluster of major cities, the nightlife scene may be little more than restaurants that realised they'd make more from selling mojitos by the bucket-load than they would calzones.
During a seventeen-year tenure, Salonen gave his orchestra a high international profile, refined its sound, added more than two hundred works to its repertory, introduced a cluster of masterpieces (including several major scores of his own), and presided over the opening of Walt Disney Concert Hall, maintaining all the while a self-effacing sense of humor.
The genome appears to contain one integrated prophage; a cluster of phage-related genes (including a major capsid protein, major tail protein, phage portal protein, pro-head peptidase, and some conserved phage proteins of unknown function) is found on chromosome 1 (genes Sc_00004260-00004380).
Family members of CCI patients experience a cluster of mental complications [e.g., major depression, complicated grief, acute and posttraumatic stress disorder (ASD/PTSD)] which have been referred to as post-intensive care syndrome family (PICS-F) [3].
The ecotypes appear to have arisen separately within the same lake in at least 4 of the 12 comparisons, and within a cluster of proximate lakes within a major drainage in another 5 comparisons.
NHSBT also fears blood stocks may be hit by a "perfect storm" dramatically lowering the amount of donated blood during the cluster of major events this summer.
