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Meaning of M

Pronunciation:  em, em

WordNet Dictionary
  1. [n]  concentration measured by the number of moles of solute per liter of solvent
  2. [n]  the 13th letter of the Roman alphabet
  3. [n]  the basic unit of length adopted under the System International d'Unites (approximately 1.094 yards)
  4. [n]  the cardinal number that is the product of 10 and 100
  5. [adj]  denoting a quantity consisting of 1,000 items or units

M is a 1 letter word that starts with M.


 Synonyms: 1000, 1000, a thousand, cardinal, chiliad, G, grand, k, K, meter, metre, molar concentration, molarity, one thousand, one thousand, thou, thousand, thousand, yard
 See Also: alphabetic character, concentration, dam, decameter, decametre, decimeter, decimetre, dekameter, dekametre, dkm, dm, large integer, letter, letter of the alphabet, metric linear unit, Roman alphabet



Webster's 1913 Dictionary
  1. \M\ ([e^]m).
    1. M, the thirteenth letter of the English alphabet, is a
       vocal consonant, and from the manner of its formation, is
       called the labio-nasal consonant. See Guide to
       Pronunciation, [sect][sect] 178-180, 242.
    Note: The letter M came into English from the Greek, through
          the Latin, the form of the Greek letter being further
          derived from the Ph[oe]nician, and ultimately, it is
          believed, from the Egyptian. Etymologically M is
          related to n, in lime, linden; emmet, ant; also to b. M
          is readily followed by b and p. the position of the
          lips in the formation of both letters being the same.
          The relation of b and m is the same as that of d and t
          to n. and that of g and k to ng.
    2. As a numeral, M stands for one thousand, both in English
       and Latin.
  2. \M\, n.
    1. (Print.) A quadrat, the face or top of which is a perfect
       square; also, the size of such a square in any given size
       of type, used as the unit of measurement for that type:
       500 m's of pica would be a piece of matter whose length
       and breadth in pica m's multiplied together produce that
       number. [Written also {em}.]
    2. (law) A brand or stigma, having the shape of an M,
       formerly impressed on one convicted of manslaughter and
       admitted to the benefit of clergy.
    {M roof} (Arch.), a kind of roof formed by the junction of
       two common roofs with a valley between them, so that the
       section resembles the letter M.
Computing Dictionary

1. Alternative name for mumps.

2. A c-like language from silicon compiler systems for multilevel hardware description. It is currently available in the gdt package from mentor graphics.

[jargon file]

3. The abbreviated for of mega-.

Biology Dictionary
 Definition: This Latin term, which is frequently used in medicine and pharmacy, means "mix".