The phrase "a mainstream term" is correct and usable in written English.
It can be used to describe a word or phrase that is widely accepted and commonly used in a particular context or by the general public.
Example: "The term 'social media' has become a mainstream term in discussions about communication and technology."
Alternatives: "a common term" or "a widely used term".
The word has evolved from a niche social media tag into a mainstream term for a self-portrait photograph, the editors said.
By the 1970s, while women's liberation was a mainstream term in American public discourse, no comparable movement existed in the Soviet Union, despite gender-based income inequality and a rate of additional work in the household greater than that experienced by American women.
(Mutation-selection balance is a more mainstream term for the "non-linear adaptation" argument touched on above and briefly by the authors in the Introduction).
This is not a mainstream medical term in the UK, and it is likely that the records of bloating represent a verbatim note of the word the woman used.
But it was never without an aesthetic point of view.' Part of Bowery's later work, perhaps the most enduring part in mainstream terms, was posing for a series of portraits by Lucian Freud, acting as his muse from 1990 until Bowery's death, from an Aids-related illness, in 1994.
Each likeness was, consciously or by default, an effort to cast the African-American image, distorted by racism, in acceptably positive, mainstream terms.
They have shuffled their way into modern culture not only in entertainment, but in such mainstream terms for the loss of agency as zombie government and zombie economics.
As legal, social and medical progress was made, the dominant tone of LGBT film-making softened from radical revolt to aspirational accessibility, favouring coming-out tales and opposites-attract romcoms about accessing love and acceptance on basically mainstream terms (Beautiful Thing, Jeffrey, Latter Days).
That identifier wasn't all that significant in its own right, but it marked a mainstream embrace of a term that once felt too inside-baseball for a national magazine.
Other than "a porn film and some puppet films" this will be the Chapmans' first foray into the medium, at least in terms of a mainstream feature.
Mr. Ellis, leading a cohort credibly billed as his all-star band — with Mulgrew Miller on piano, Ron Carter on bass and Jimmy Cobb on drums — was signing on to a mainstream jazz program, accepting the terms and conditions.
