Qué es minor? Qué es minor? Lesser or smaller in amount, extent, or size.Lesser in importance, rank, or stature: a minor politician. Lesser in seriousness or danger: a minor injury. Law Being under legal age; not yet a legal adult.Chiefly British Relating to or being the younger or junior of two pupils with the same surname.Of or relating to a secondary area of academic specialization.Logic Dealing with a more restricted category.Music Relating to or being a minor scale.Music Less in distance by a half step than the corresponding major interval.Music Based on a minor scale: a minor key. One that is lesser in comparison with others of the same class.Law One who has not reached full legal age.A secondary area of specialized academic study, requiring fewer courses or credits than a major.One studying in a secondary area of specialization: She is a physics minor. Logic A minor premise.Logic A minor term.Music A minor key, scale, or interval.Sports The minor leagues of a sport, especially baseball.To pursue academic studies in a minor field: minored in music.