1. past tense of mainstream; to place (a student with disabilities) in regular classes rather than special education classes
Usage: education
2. past tense of mainstream; to bring into the mainstream; to make widely accepted or popular

Examples

• The student with autism was mainstreamed into regular math classes.
• Children with learning disabilities are often mainstreamed with additional support.
• The school district mainstreamed most special education students last year.
• Hip-hop music was gradually mainstreamed in the 1990s.
• The company mainstreamed sustainable practices across all departments.
• Alternative medicine has been increasingly mainstreamed by hospitals.
• The technology was mainstreamed after successful pilot programs.