What does mu stand for?

Map Unit (DOG)

Master Unit (NAKS)

Mauritania - MARC country of publication code - Library of Congress (LCCP)

Micron - Micrometer (AAMN)

Millimicro- - Now nano (IDOE)

Millimicron - Nanometer (IDOE)

Mobile Unit (NAKS)

Mockup (NAKS)

Mouse Unit

Multiple Unit (NAKS)

Multiuser - Computer science (ELAL)

Akaflieg Muenchen Mitsubishi Heavy Industries - Germany - Japan - ICAO aircraft manufacturer identifier (ICAO)

China Eastern Airlines - ICAO designator (AD)

Machine Unit

Mail Unit (KSC)

Maintenance Unit - Military

Makeup (NRCH)

Management Unit - Aviation

Maneuvering Unit (KSC)

Marginal Utility - Economics

Markup

Marvel Universe

Mass Units

Master Unit (NASA)

Mauritania - NCIC country-territory code (NCIC)

Mauritius - ANSI two-letter standard code (CNC)

Measurement Unit

Memory Unit - Computer science (MCD)

Mental Units of Growth - Psychology

Mescaline Unit (DB)

Message Unit - Telecommunications

Methylene Unit

Methylumbelliferone - Biochemistry

Methylurea - Organic chemistry

Micro - One millionth (WDAA)

Micron Technology, Inc. - NYSE symbol (SPSG)

Microwave Unit (CARB)

Midcourse Update (ACAE)

Million Units

Mirror Universe - From Star Trek: The Original Series: Mirror, Mirror and subsequent episodes (STREK)

Misrair - ICAO designator (AD)

Missing Upper (VLIE)

Mobile Unit

Mock-Up (AAG)

Modular Unit (IAA)

Monetary Unit (ADA)

Montevideo Units - Of uterine activity

Mothers' Union - Episcopalian

Motor Union

Motor Unit

Mouse Unit - Medicine (DMAA)

Mueller Cell - Eye anatomy

Mulching - Environmental science (COE)

Multidestination - Carrier

Multiple Unit

Multiple Use (IAA)

Multiplexing Unit

Multi-Unit (SAUS)

Munitions Command - Later, Armaments Command - Army (MCD)

Murder - Telegraphy (PCTE)

Musical Union - Oberlin College - Ohio

Musician - Navy rating

Musicians' Union - British (DCTA)

Music Program - Association of Independent Colleges and Schools specialization code

Muster - Business term (DCTA)

Oman - Federal Information Processing Standard (FIPS) country code (GEON)

University of Massachusetts, Amherst, MA - Library symbol - Library of Congress (LCLS)

Mache Unit - Measure of radium emanation from solutions (AAMN)

Millimicron (AAG)

Muscle - Anatomy (DAVI)

Mutator - A bacteriophage