Mainstream

магистра́льный

magistrálʹnyj

(used or accepted broadly; common, usual or conventional)

мейнстри́мный

mɛjnstrímnyj

(used or accepted broadly; common, usual or conventional)

мейнстри́мовый

mɛjnstrímovyj

(used or accepted broadly; common, usual or conventional)

основно́й

osnovnój

(used or accepted broadly; common, usual or conventional)

мейнстри́м

mɛjnstrím

(that which is common)

основно́е направле́ние

osnovnóje napravlénije

(that which is common)