Understood by only a few.
Used or accepted broadly rather than by small portions of a population or market.
‘They often carry stories you won't find in the mainstream media.’;
(by extension) Obscure, mysterious.
‘arcane origins’; ‘arcane details’;
The principal current in a flow, such as a river or flow of air
Requiring secret or mysterious knowledge to understand.
That which is common; the norm.
‘His ideas were well outside the mainstream, but he presented them intelligently, and we were impressed if not convinced.’;
Extremely old (e.g. interpretation or knowledge), and possibly irrelevant.
(transitive) To popularize, to normalize, to render mainstream.
(intransitive) To become mainstream.
requiring secret or mysterious knowledge;
‘the arcane science of dowsing’;
To educate (a disabled student) together with non-disabled students.
‘Mainstreaming has become more common in recent years, as studies have shown that many mainstreamed students with mild learning disabilities learn better than their non-mainstreamed counterparts.’;
The prevailing opinion or practise; as, the doctor avoided using therapies outside the mainstream of modern medical practice.
TO place (a student) in regular school classes; - used especially of mentally or physically handicapped children.
the prevailing current of thought;
‘his thinking was in the American mainstream’;
The mainstream is the prevalent current thought that is widespread.It includes all popular culture and media culture, typically disseminated by mass media. This word is sometimes used in a pejorative sense by subcultures who view ostensibly mainstream culture as not only exclusive but artistically and aesthetically inferior.It is to be distinguished from subcultures and countercultures, and at the opposite extreme are cult followings and fringe theories.