Definition of m M

/ɛˈm/ - [em] -

We found 8 definitions of m from 6 different sources.

What does m mean?

Noun
m - the 13th letter of the Roman alphabet
		m
		alphabetic character, letter of the alphabet, letter a written message addressed to a person or organization; "mailed an indignant letter to the editor"

= synonym
= antonym
= related word

m
As a numeral, M stands for one thousand, both in English and Latin.
m (n.)
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.
m (n.)
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
(a) Symbol of gaseous pressure equal to one-millionth of an atmosphere.
(b) The Greek m, µ, is used as the symbol of magnetic permeability.
Machine, Cylinder Electric. A frictional electric machine whose rotating glass is in the shape of a cylinder instead of a disc as in the more recent machines.

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m in sign language