noun.
An abbreviation (in French) of Messieurs (gentlemen, sirs).
noun.
An abbreviation of millimeter.
An abbreviation
of their Majesties;
of Martyrs.
An abbreviation
of the plural of Latin words commonly abbreviated masculine, as magistri;
of the Latin matrimonium;
of the Latin meritissimus.
An abbreviation of Master of Mechanical Engineering.
An abbreviation of cubic millimeter. μμ. A symbol used to denote a thousandth of a micron or a millionth of a millimeter.
An abbreviation of magnetomotive force.
An abbreviation of square millimeter.