The phrase "adding a host of" is correct and usable in written English.
It can be used when you want to indicate that you are including many items, features, or elements in a particular context.
Example: "The new software update is adding a host of features that will enhance user experience."
Alternatives: "introducing a multitude of" or "incorporating a variety of".
Yet, at the same time, she says, the federal and international regulators are adding a host of special Too Big to Fail capital requirements and rules.
Since adding a host of new social elements just last week, Jobster now brings most Web 2.0 features that you can imagine into the job search space.
With that in mind, the company announced this morning that it was adding a host of new live channels to its Xfinity TV Go streaming video app.
The same approach is being taken by other Asian messaging services like Line, which is transforming itself into a "lifestyle platform" by adding a host of new features like food ordering, taxi booking and streaming music.
She did not rule from the bench this time, as Apple tweaked its complaint the night before Friday's hearing, adding a host of new Samsung products to its copy-cat list.
Already India's largest digital wallet and payment service with 230 million registered users, Paytm has recently focused on adding a host of new mobile services that could potentially turn it into a WhatsApp competitor, including a messenger and games.
To this, most of us add a host of factors -- starting with daily baths -- that can intensify the problem.
It can add a host of movie-style special effects to your phone's videos, although you do have to pay for some of them.
With Nehalem, Intel's designers took the company's previous generation of chips and added a host of features, each of which adds complexity and raises the possibility of unpredictable interactions.
It has since added a host of other TV sports rights, including a surprise £1bn deal to broadcast the Champions League, and is taking on BSkyB in the paid-for sports and broadband markets.
