M, or m, is the thirteenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of several western European languages and others worldwide.

History, etymology, and pronunciation of m, the thirteenth letter in the alphabet. It corresponds to the Semitic mem and to the Greek mu. The Semitic form may derive from an earlier sign …

Learn about the Letter M. Learn that M is a consonant in the alphabet. Learn to recognize the upper and lowercase letter M, how to write the letter M and the sound that letter M makes.

The common basic symbols are I (=1), V (=5), X (=10), L (=50), C (=100), D (=500), and M (=1000). The Roman numerals for one to nine are: I, II, III, IV, V, VI, VII, VIII, IX.

Jan 7, 2026 · (superscript ᵐ , IPA) light to full [m] -prenasalization, [m] -release or light post-nasalization, [m] -coloring, or a weak, fleeting or epenthetic [m]. metre, the basic unit of length …

-'m is the usual spoken form of 'am', used after 'I' in 'I'm'. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

Entries linking to M em (n.) name of the letter M, c. 1200, from Latin; the Greek name was mu. In printing, originally the square corresponding in dimensions to the capital M of that type.

The letter M is the 13th letter of the English alphabet and holds linguistic, cultural, and scientific significance. Its applications span communication, branding, science, and beyond.

In titles, M. stands for Magister or Master, as in A. M.; for Medicinæ or Medicine, as in M. D.; or for Member, as in M. C, member of Congress, and M. P., member of Parliament.

M, m noun (SIZE) [ S or U ] abbreviation for medium: used to refer to someone or something, usually an item of clothing, that is of medium or average size: I like the sweater but I can't find …