m Meaning, Definition & Usage

1. noun the basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
   metre; meter.
   
2. noun concentration measured by the number of moles of solute per liter of solution
   molarity; molar concentration.
   
3. noun the cardinal number that is the product of 10 and 100
   yard; G; thou; thousand; grand; chiliad; one thousand; K; 1000.
   
4. noun a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
   megabyte; MB.
   
5. noun a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
   MB; megabyte; MiB; mebibyte.
   
6. noun the 13th letter of the Roman alphabet
   
7. adjective satellite denoting a quantity consisting of 1,000 items or units
   one thousand; thousand; k; 1000.
   

WordNet