The phrase "a completely new class" is correct and usable in written English.
It can be used when referring to a category or group that is entirely different from existing ones, often in contexts like education, technology, or product development.
Example: "The latest software update introduces a completely new class of features that enhance user experience."
Alternatives: "an entirely new category" or "a wholly different class".
A completely new class of numerical schemes is generated by choosing N≠0 and M>N.
In rare instances, a company will do something totally different and build a completely new class of products.
DNA linker mediated self-assembly, i.e. grafting complementary sequences of single stranded DNA to nanoparticles in order to program their self-assembly, is a general and robust strategy for designing a completely new class of materials and metamaterials.
"These are certainly not normal flare stars or other known objects," says Heise. "It could be a completely new class of events".
Scientists are excited over what they see as a possible breakthrough in the treatment of schizophrenia: the first human trials showing efficacy for a completely new class of antipsychotic drugs.
As a result, a completely new class of technology is emerging, focused on making the hospital as an organization more productive – as well as optimizing performance throughout different employee classes, from doctors to CNAs.
"In recent years a completely new form of music has sprung up among the English working classes," I explained.
The "completely new class of social apps" Facebook CEO Mark Zuckerberg unveiled Thursday at the f8 developer conference will feed Facebook even more information about its users and supercharge sharing on the social networking site.
It puts you in a completely new culinary class," said British food critic and writer William Sitwell in the documentary "Michelin Stars: The Madness of Perfection".
Both drugs are completely new classes of antibiotics with no reported resistance, and represent an unprecedented opportunity to improve treatment for DR-TB.
As such the need for frictionless transactions will enable completely new classes of business operations that were impossible before.
