The phrase "a mainstream definition" is correct and usable in written English.
It can be used when referring to a widely accepted or commonly recognized meaning of a term or concept.
Example: "In academic discussions, it is important to clarify a mainstream definition to ensure everyone is on the same page."
Alternatives: "a widely accepted definition" or "a common definition".
Facebook's opportunity comes from the potential to scan everything shared on it and use a wider, more mainstream definition of popularity to rank a list of what's interesting.
Some participants also appear confused about what constitutes 'peer review' which may be understandable given the variety of related initiatives described in the literature, many of which would struggle to truly reflect any mainstream definitions of 'peer review' [ 26].
The mainstream definition of sustainable urbanism is along these lines of thinking: repairing the harm done to the natural system, recycle and reuse resources, and clean waste.
Millner had been suspicious of mainstream definitions of success, and angry at her parents for moving to a more prosperous town.
Moving across genres like free jazz, contemporary classical and experimental electronica, the musicians push past more mainstream definitions of music, each in his or her own way.
Many non-Western audiences have little experience of, or use for, art in the Western sense; and even in the West, minority audiences may not share mainstream definitions of art.
We believe the new approach can overcome some of the empirical unsoundness of mainstream definitions.
This paper re-examines the mainstream definitions of 'ethnic enclave' , in order to adapt the defining characteristics of this entity to the present dynamics of global economy.
This paper revisits the mainstream definitions of 'ethnic enclave', by taking into account new approaches that can be used to adapt the term to the dynamics of global economy and to disassociate it from a territorially fixed and circumscribed place.
And that, right there, is the definition of a "mainstream idea" in the political world.
