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.
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".
Words beginning with the letter M, suitable for teaching children the alphabet
M is also the name of the artist that performed the song "Pop Muzik".