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Stories We Like: A Guide to the Comma

M, m

[em] /ɛm/
noun, plural M's or Ms, m's or ms.
1.
the thirteenth letter of the English alphabet, a consonant.
2.
any spoken sound represented by the letter M or m, as in my, summer, or him.
3.
something having the shape of an M.
4.
a written or printed representation of the letter M or m.
5.
a device, as a printer's type, for reproducing the letter M or m.
6.
Printing. em.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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m's in Science
m  
Abbreviation of mass, meter
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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