M is the thirteenth letter of the English alphabet.
absolute permeability
the permeability of free space, which has the value 4π × 10 –7 henry per metre
magnetic constant
the permeability of free space, which has the value 4π × 10 –7 henry per metre
minim
A minim is a musical note that has a time value equal to two crotchets or two quarter notes.
relative molecular mass
the sum of all the relative atomic masses of the atoms in a molecule ; the ratio of the average mass per molecule of a specified isotopic composition of a substance to one-twelfth the mass of an atom of carbon-12
RMM
Mali ( international car registration )
sea mile
a unit of distance used in navigation , defined as the length of one minute of arc , measured along the meridian , in the latitude of the position. Its actual length varies slightly with latitude but is about 1853 metres (6080 feet)
sadomasochism
the combination of sadistic and masochistic elements in one person, characterized by both aggressive and submissive periods in relationships with others
care and maintenance
the state of a building, ship, machinery , etc, that is not in current use although it is kept in good condition to enable it to be quickly brought into service if there is demand for it
immunoglobulin M
an immunoglobulin of unusually high relative molecular mass , observed in the blood in some diseases
macroglobulin
an immunoglobulin of unusually high relative molecular mass, observed in the blood in some diseases