M, m Meaning, definition in Cambridge English Dictionary
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Meaning of "M, m" - English Dictionary

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M, mnoun

uk   us   /em/ (plural Ms, M's or m's)

M, m noun (LETTER)

[C or U] the 13th letter of the English alphabet

M, m noun (NUMBER)

[C] (also m) the sign used in the Roman system for the number 1,000

M, m noun (ROAD)

[U] (in the UK and Ireland) abbreviation for motorway : The M4 goes from London to Bristol.

M, madjective

uk   us   /em/ (plural M's or Ms)
written abbreviation for medium adjective : used on clothes to show that they are of medium size
(Definition of M, m from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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