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Mesoscale Terms
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M

Maxwell- A unit of magnetic flux equal to the flux perpendicular to an area of 1 square centimeter in a magnetic field of 1 gauss (named after Scottish physicist James Clerk Maxwell who formulated mathematical expressions describing electric and magnetic phenomena and introduced the concept that light is an electromagnetic action phenomenon).

Meter- In the International System of Units, the fundamental unit of length; equal to 100 cm, 3.2808399 ft, or 39.370079 in.

Mile- A unit of distance equal to 5280 ft or 1.609 km; commonly known as statute mile.

Mile per hour- A unit of speed expressing the number of international miles covered per hour (the common abbreviation in everyday use is mph, although mi/h, using the SI method of expressing derived units, is sometimes used, especially in the United States).

Millibar- A pressure unit of 1000 dynes cm-2, convenient for reporting atmospheric pressures; the millibar does not fit into any commonly employed system of physical units (one millibar equals one hectopascal).

Minute(agnle)- A unit of angular distance equal to a 60th of a degree (one minute of latitude equals 1 nautical mile, which is 1860 meters).

Minute(time)- A unit of time equal to 1/60th of an hour and to 60 seconds.

Mole- A unit of mass numerically equal to the molecular weight of the substance (the gram-mole or gram-molecule is the mass in grams numerically equal to the molecular weight; for example, a gram-mole of oxygen is 32 grams).