EM

From Free net encyclopedia

EM, Em or em has several meanings:

Contents 1 Scientific 2 Typography & orthography 3 Social 4 Music 5 Other

Scientific

• Effective Microorganisms or EM-Technology by Dr. Teruo Higa
• Electromagnetic
• Electromagnetism (diamagnetism) as compared to ferromagnetism (paramagnetism)
• Electromigration - A common issue encountered in integrated circuit design
• Electron microscope
• Exametre (symbol Em), an SI unit of length (equal to 10¹⁸ metres)
• Expectation-maximization algorithm, used for statistical computing
• "end of medium" control code in the C0 control code set

Typography & orthography

• The em space is one em wide in orthography and typography. Also used in CSS
• The em dash (—) is one em wide in orthography and typography.
• A phoneme of the Cyrillic alphabet letter 'M'. It corresponds directly to the Latin alphabet letter 'M' and is pronounced similarly.

Social

• An Enlisted Man of the United States Army.
• An EM (major chord) or Em (minor chord) used in musical notation for string instruments or 'Chordophones'.
• One of the Spivak pronouns.
• The rapper "Eminem" (Marshall Mathers)
• A common slang for "them". Ex: Go get'em tiger!
• EM, Reuters Instrument Code for the 1-month LIBOR futures contracts at the Chicago Mercantile Exchange.
• An abbreviation for the Fiona Apple album Extraordinary Machine.
• The common shortform of some names, e.g. 'Emma', 'Emily', 'Emmett', 'Emmanuel', 'Emerson'.

Music

• Em is short for E minor, a chord.

Other

• The IATA code for Aero Benin
• The IATA code for Empire Airlines
• Emergency management

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