to concentrate on two particular areas of study as a student in a college or university

simple past tense and past participle of double-major

Two main areas of study of a student working toward a degree at a college or university. / A student at a college or university concentrating on two given areas of study.

plural of silent majority

plural of major scale

plural of sexual majority

(uncountable) The state of being an adult (major, rather than a minor) in sexual matters.

plural of tyranny of the majority

plural of état major

plural of major-leaguer