M line may refer to: *

M-line M line may refer to: * M-line (mittel line or middle line), a structure in a muscle sarcomere * M Ocean View, a light rail and former streetcar line in San Francisco, California * M-Line Trolley, a streetcar line in Dallas, Texas * M (Los Angeles R ...

(mittel line or middle line), a structure in a muscle sarcomere *

M Ocean View The M Ocean View is a light rail line that is part of the Muni Metro system in San Francisco, California. Named after the Oceanview neighborhood, it runs between San Jose and Geneva and Embarcadero station, connecting Oceanview, San Franci ...

, a light rail and former streetcar line in San Francisco, California *

M-Line Trolley The M-Line Trolley (previously McKinney Avenue Trolley) is a heritage streetcar line in the Uptown neighborhood of Dallas, Texas. The trolley line, which has been in service since 1989, is notable for its use of restored historic streetcar veh ...

, a streetcar line in Dallas, Texas * M (Los Angeles Railway), a former streetcar service *

M (SEPTA Metro) The M, formerly known as the Norristown High Speed Line (NHSL), is a interurban light rapid transit line in the SEPTA Metro network, running between the 69th Street Transportation Center in Upper Darby and the Norristown Transportation Center ...

, a light metro in

Montgomery County, Pennsylvania Montgomery County, colloquially referred to as Montco, is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population of the county was 856,553, making it the third-most populous county in Pennsylvania after Philadel ...

. *

Geometric mean In mathematics, the geometric mean is a mean or average which indicates a central tendency of a finite collection of positive real numbers by using the product of their values (as opposed to the arithmetic mean which uses their sum). The geometri ...

See also