1. A widely accepted, conventional, or standard approach or technique that is commonly used and recognized by the majority
The mainstream method for teaching mathematics has evolved significantly over the past decade.
O método convencional para ensinar matemática evoluiu significativamente na última década.
2. An established procedure that represents the dominant practice in a particular field or discipline
Doctors still rely on the mainstream method of diagnosis despite new alternatives.
Os médicos ainda confiam no método convencional de diagnóstico apesar de novas alternativas.