The phrase "a burgeoning number" is correct and usable in written English.
It can be used to describe an increasing quantity or growing amount of something, often in contexts related to trends or developments.
Example: "In recent years, there has been a burgeoning number of startups in the tech industry."
Alternatives: "a growing number" or "an increasing number".
This article reviews a burgeoning number of material objects that have come to figure in the work of human geographers.
"There's a burgeoning number of foamologists," he said, "with expertise that has apparently grown out of nowhere".
It hosts thousands of interconnected networks, including colleges and a burgeoning number of high schools, companies and places.
A burgeoning number of books extol the scientifically proven benefits of meditation and mindfulness for everything ranging from business to romance.
Over the past decade, there has been a burgeoning number of active living research studies examining the influence of public open space on physical activity.
And he will have to fend off competition from a burgeoning number of rivals such as King.com, whose "Candy Crush Saga" is winning rave reviews from gamers.
A small but burgeoning number of Syrian Islamists and foreign fighters are using transit points to cross from Turkey, especially since the battle for Aleppo, Syria's second city, began in late July.In this section Is there an alternative to chaos?
Among those who spoke at this year's conference was Nick Hartigan '09, a former HLAB student who in 2008 co-founded No One Leaves with David Haller '09 as a response to the burgeoning number of Boston families losing their homes to foreclosure.
Supersymmetry is a complex mathematical framework based on the theory of group transformations that was developed beginning in the early 1970s to understand at a more-fundamental level the burgeoning number of subatomic particles being produced in high-energy particle accelerator experiments.
A new cadre of powerful school regulators called chancellors are to be appointed by Michael Gove in an attempt to oversee the burgeoning number of free schools and academies, with the power to seize control of failing schools.
Germany saw only a small decline; Italy, with its burgeoning number of pensioners, the largest.
