M (disambiguation)
M stands for:
- M (lowercase m ), the letter of the Latin alphabet
- a letter of the Greek alphabet, see My (lowercase μ )
- a letter of the Cyrillic alphabet, see М (lowercase м )
- the sound represented by the three letters mentioned, see Voiced bilabial nasal
- the currency of the German Empire from 1871, see Mark (1871) (also Mk or ℳ)
- the currency of the GDR, see Mark (DDR)
- the postcode area Manchester (as a single first letter of a postcode), see postcode (United Kingdom)
- an art museum in Leuven (Belgium), see M - Museum Leuven
- the rank of major (abbreviation of the Bundeswehr in lists)
Film and Music:
- M (1931) , also M - A city is looking for a murderer, feature film by Fritz Lang
- M (1951) , feature film by Joseph Losey
- a miniseries by David Schalko (2019), see M - A city seeks a murderer (TV series)
- in the 007 films the head of the British secret service MI6, see characters from James Bond films #M
- a band project by British singer and music producer Robin Scott
- as a pseudonym -M- the French rock musician Matthieu Chedid
- Stage name of the South Korean singer Lee Min-woo
- the middle finger of the plucked hand when fingering for guitar
Printing and press:
- the magazine M - people make media
- a photo manipulation as a mark [M] in the reference of photos
- the color magenta, mostly for printing inks for inkjet printers, see magenta (color)
Roman inscriptions and texts:
- the numeral for 1000, see Roman numeral
Medicine (often also M. ):
- the abbreviation for muscle or muscle, see muscles
- the abbreviation for Morbus ( illness ) in connection with the name of the first person describing it
System of units SI:
- Mega , the million times (as SI prefix), see prefixes for units of measure
Natural Sciences:
- occasionally the unit of measurement mol / liter when specifying molar concentrations , but this usage is out of date and does not conform to the SI
- as a symbol the molar mass
Mathematics:
- as a formula symbol often general for quantity (mathematics)
- as a symbol for Mersenne numbers, see Mersenne prime number
Physics:
- as symbols , the magnetization
- as a symbol (or ) the Mach number
- as a formula symbol the mass number
- Symbols as the torque
- the obsolete unit Maxwell, see Maxwell (unit)
Chemistry:
- Mesomeric effect
- a stereo descriptor (short for "minus") to differentiate between configurational isomeric compounds, see descriptor (chemistry) # (P) -, (M) -
- as a unit symbol for the substance concentration in mol / L (no standard-compliant use)
Biology:
- the amino acid methionine as a one-letter code
Technology and cartography:
- a metric ISO thread
- the machine zero point in the machine coordinate system of machine tools
- the friction factor in the friction factor model that is used when the softer friction partner is sheared off
- several series of standards for electrical connectors that are screwed with metric threads
- the indication of the scale on technical drawings, plans and maps; see scale (ratio)
Aerospace:
- the letter reproduced in the spelling alphabet by Mike, Martha or Marie, see spelling table
- a series of Japanese rocket types (also in the abbreviation Mu ), see Mu (rocket)
- Isle of Man aircraft citizenship mark
- * Abbreviation for Economy Class transport class on air travel
Astronomy:
- as a unit symbol the absolute brightness
- an entry in the Messier catalog of astronomical objects
- a spectral class of stars
- Mars in astronomical nomenclature
Nautical:
- one nautical mile as an abbreviation according to the INT standard
IT:
- a Microsoft programming language, see M (Microsoft programming language)
- often another programming language as MUMPS referred
Numismatics (coinage):
- Madrid since 1591 on Spanish coins and since 1728 as a crowned M.
- Milan on Austrian coins between 1770 and 1780 and on Italian coins until 1878
- Mallorca (also PM or diamond)
- Melbourne on English sovereigns from 1871 to 1931 and on Australian coins
- Mexico (usually with a lowercase o) to this day
- Toulouse on French coins from 1540 to 1837
M as a distinguishing mark on license plates:
- international: Malta
- Belgium: motorcycles
- Bulgaria: Montana Oblast
- Germany: independent city of Munich and district of Munich
- Estonia: Tallinn and Harjumaa
- Great Britain: Manchester
- Montserrat Island
- Croatia: foreign mission (yellow lettering on light blue background)
- (Arabic: ﻡ) Lebanon: Beirut Governorate
- Madagascar: Mahajanga Province
- Montenegro: foreign mission
- Netherlands: motorcycles
- Philippines: Region 12 (also: Soccsksargen)
- Portugal: Madeira (truck trailers and export vehicles)
- Switzerland: Military (black license plate with white letters)
- Slovakia: Dealer registration (white registration with red letters: last letter)
- Slovenia: Embassy staff without diplomatic status
- Spain: Community of Madrid (to be discontinued)
- Czech Republic: Olomouc Region (Olomoucký kraj)
- Hungary: agricultural vehicles
m stands for:
System of units SI:
- Milli , one thousandth (as SI prefix), see prefixes for units of measurement
- the unit of measurement is the meter
Physics:
- as a symbol the mass, see mass (physics)
- as the magnetic quantum number which the angular momentum quantum number (z. B. belongs , , )
- as a symbol the effective mass
- the magnetic moment as a symbol
Chemistry:
- meta , a substitution pattern for aromatics
Technology:
- Micronorm as a symbol , see ISO 9175
Astronomy:
- the apparent brightness as a symbol
See also: