What does MM. stand for?

What does MM. mean?

MM	Meritorious Mast Governmental » Military
MM	Metallic Missile Miscellaneous » Science Fiction
MM	Module Mirror Governmental » NASA
MM	Mysterious Mistress Community » Media
MM	Machine Mastery Business » Positions
MM	Market Manipulator Business » Stock Exchange
MM	Mille Milglia Business » Products
MM	Mega Meaning Community » Educational
MM	Merry Marines Governmental » Military
MM	Malford Machinations Business » Firms
mm	MilliMeter (0.001 Meters) Medical » Oncology
MM	Morbus Menieres Medical » Physiology
MM	Mischievous Misfits Community » Law
MM	Merton Malling Academic & Science » Botany
MM	Master Misfit Miscellaneous » Funnies
MM	Micro Metronome Community » Music
MM	Meme Virtual reality world file Computing » File Extensions
MM	Majorize-Minimize Academic & Science » Mathematics
MM	Muffin Ministry Community » Religion
MM	Mom's Makes Community
MM	Murmur, Muscles Medical » Physiology
MM	My Monicker's Internet » Chat
MM	Minorize-Maximize Academic & Science » Mathematics
MM	Marcus Madrid, baseball pitcher Community » Sports
MM	Mutant Modifier Medical » Human Genome