m (Adjective) — Denoting a quantity consisting of 1,000 items or units.
m (Noun) — The 13th letter of the Roman alphabet.
m (Noun) — A unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes.
m (Noun) — Concentration measured by the number of moles of solute per litre of solution.
m (Noun) — A unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes.
m (Noun) — The cardinal number that is the product of 10 and 100.
m (Noun) — The basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards).