M

==M ==

M is the thirteenth letter of the modern English alphabet and the ISO basic Latin alphabet. It is used in various contexts in linguistics, science, mathematics, and other fields.

Linguistics

In linguistics, the letter M represents the bilabial nasal sound, which is a common consonant sound in many languages. It is produced by closing both lips and allowing air to pass through the nose. The International Phonetic Alphabet (IPA) symbol for this sound is [m].

Science

In science, M can represent different concepts depending on the context:

• In physics, M often denotes mass.
• In chemistry, M is the symbol for the element molybdenum.
• In astronomy, M is used to denote objects in the Messier catalog, a set of astronomical objects cataloged by the French astronomer Charles Messier.

Mathematics

In mathematics, M can represent various quantities and concepts:

• M is often used to denote a matrix.
• In Roman numerals, M represents the number 1000.
• In set theory, M can denote a set or a model.

Medicine

In medicine, M can be an abbreviation for various terms:

• M can stand for molar concentration, a measure of the concentration of a solute in a solution.
• M is also used to denote the M protein, a virulence factor found in certain bacteria.

Other Uses

• In music, M is the symbol for the major scale.
• In film ratings, M is used in some countries to denote a movie suitable for mature audiences.

See Also

• Alphabet
• Phonetics
• Physics
• Chemistry
• Astronomy
• Mathematics
• Medicine
• Music

External Links

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