The phrase "a multitude of smaller" is correct and usable in written English.
It can be used when describing a large number of smaller items, concepts, or elements within a larger context.
Example: "The project was divided into a multitude of smaller tasks to make it more manageable."
Alternatives: "a large number of smaller" or "many smaller".
There have been a multitude of smaller incidents too, adding fuel to the fire.
It is constructed from a multitude of smaller details, and if it didn't drag on as long and relentlessly as it does its effect wouldn't be so profound.
But even after Cingular absorbs AT&T Wireless, five national wireless carriers and a multitude of smaller companies will still offer service, and competition remains fierce.
A more immediate goal is to improve upon a multitude of smaller therapies: transplantable valves for ailing hearts, cell-and-gel preparations for crushed nerves, injections of skeletal muscle cells for urinary continence or new salivary gland tissue to rescue radiation patients from dry mouth.
But third-party sites, which are networks that collect and use data to serve advertising tailored to the user, like DoubleClick (which is owned by Google); Advertising.com, owned by AOL; and a multitude of smaller ad networks would be restricted in the data they can collect on users if they select a Do Not Track option.
They are being killed off by companies like Amazon and a multitude of smaller eBay-based retailers.
Robert Rauschenberg, the designer, has spattered the backdrop and costumes with a multitude of small, brightly colored dots.
Agriculture is hobbled by a multitude of small plots leased from the state that cannot support mechanisation.
Rome's authority had been challenged by Martin Luther, John Calvin, a multitude of small religious sects, and, indeed, the English church itself.
