the letter M; m
Refers to the Latin letter itself, used in abbreviations, symbols, and as a character.
The letter M in the alphabet is read as 'emu'.
Abbreviation for metre/meter; usually read as メートル in Japanese.
This cable is 3 metres long.
Used as a symbol or abbreviation for male gender, e.g., on forms or in biological contexts.
Abbreviation for medium, as in clothing size or other sizing contexts.
The size of this T-shirt is M.
one thousand (Roman numeral)
Represents the number 1000 in Roman numerals.
The Roman numeral M represents 1000.
Abbreviation for magnitude, especially in astronomy or seismology.
The magnitude of that star is 5.
Abbreviation for Mach number, used in aerodynamics.
The aircraft is flying at Mach 2.
milli-; m
Prefix meaning one-thousandth; the symbol m is more common, but M is sometimes used in specific contexts.
Prefix meaning one million; commonly used in computing and electronics (e.g., MB for megabyte).
The size of this file is 5 MB.
Abbreviation for the color magenta, used in printing (CMYK).
In printing, M stands for magenta.
Slang and archaic term for money, possibly from the first letter of 'money' or from old criminal jargon.
He is more of an M, if anything.
Please write M in the gender field.
mm is an abbreviation for millimetre; the first m stands for milli-.
In old slang, M referred to money.
The letter M, used as a symbol or abbreviation for various concepts. The reading エム comes from English 'em'. Many senses are domain-specific abbreviations.