definition of
m

[1] #1 m n. [meter, metre] the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards). wn

[2] #2 m n. [molarity, molar concentration, M] concentration measured by the number of moles of solute per liter of solution. wn

[3] #3 m s. [thousand, one thousand, 1000, k] denoting a quantity consisting of 1,000 items or units. wn

[4] #4 m n. [thousand, one thousand, 1000, M, K, chiliad, G, grand, thou, yard] the cardinal number that is the product of 10 and 100. wn

[5] #5 m n. [megabyte, M, MB] a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes. wn