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The meaning "someone who extracts minerals from the ground" is spelled "miner".

minor, a secondary focus of a Bachelor's degree, the primary focus being a major

Minor (law), the legal term for a young person

Minor (linear algebra), for a given matrix, its minor is the determinant of a certain smaller matrix

Minor (graph theory),

Major and minor, general discussion

Minor scale

Minor chord

specific intervals, such as minor third

Minor, a class of methods for Change ringing

Minor leagues, sports leagues which are not regarded as the premier leagues

Minor league baseball, North American professional baseball leagues that compete at a level below that of Major League

Morris Minor, a classic British post-war car design