מ'

MEM is a three-letter abbreviation with multiple meanings, as described below:Maximum entropy methodIATA airport code for Memphis International Airportβ-Methoxyethoxymethyl ether, a protecting group in chemistryMissouri Employers Mutual, a workers compensation insurance company Monocular estimate methodMemorial City Mall, sometimes called "MEM".
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Mem (also spelled Meem or Mim) is the thirteenth letter of many Semitic abjads, including Phoenician, Aramaic, Hebrew  and Arabic alphabet  . Its value is .The Phoenician letter gave rise to the Greek Mu (Μ), Etruscan   , Latin M, and  Cyrillic М.
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