Third-person singular simple present indicative form of mainstream.(verb)
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Use "mainstreams" in a sentence
"Talk about a company that "mainstreams" - all things Chinese - into the U.S. ..."
"One, called the Accelerated Learning Program and piloted at the Community College of Baltimore County, "mainstreams" developmental students into college-level courses along with companion classes that provide extra help."
"The authors have managed here, by juxtaposing texts and contexts in a graded way over three registers, to help the reader avoid these pitfalls; he is also helped to tackle in an appropriate manner the new "mainstreams" of our culture, like pop music and comic books."