M

The thirteenth letter of the Latin alphabet, M, represents the bilabial nasal consonant sound [m] in Classical languages as well as the modern languages. It derives its shape from the Greek &Mu or &mu. Semitic Mem originally pictured water, in all probability.

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

Mike represents the letter M in the NATO phonetic alphabet.

In context, M is also:

• As M, mega, an SI prefix meaning 10⁶ = 1,000,000 (one million) or a binary prefix used in computing to mean 2²⁰ = 1,048,576.
• As M, million, or millions, when used after certain currency expressions, such as $25M ("twenty-five million dollars).
• As m, milli, an SI prefix meaning 1/1000.
• As m, an SI unit for length, see metre.
• The Roman numeral for 1000 (mille in Latin).
• An abbrevation for "Messier" in designations for the Messier Deepsky Objects
• The name of a 1931 movie directed by Fritz Lang about a serial killer who preys on children. There is also a lesser-known 1951 movie.
• M, the codename of the head of MI6 in the James Bond books and films
• A member of "Generation X", a team of younger mutants affiliated with and coached by some of the former "X-Men".

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