say it: em
m is a noun and adjective meaning "the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)". It carries 7 recorded senses.
the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
Canada · United Kingdom
concentration measured by the number of moles of solute per liter of solution
a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
the 13th letter of the Roman alphabet
denoting a quantity consisting of 1,000 items or units
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for m come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.