M

/ɛm/

Definitions of M

1. noun

   the 13th letter of the Roman alphabet
   synonyms: m

   type of:

   alphabetic character, letter, letter of the alphabet

   the conventional characters of the alphabet used to represent speech
2. noun

   the cardinal number that is the product of 10 and 100
   synonyms: 1000, G, K, chiliad, grand, one thousand, thou, thousand, yard

   types:

   millenary

   a sum or aggregate of one thousand (especially one thousand years)

   type of:

   large integer

   an integer equal to or greater than ten
3. noun

   a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
   synonyms: MB, megabyte

   type of:

   computer memory unit

   a unit for measuring computer memory
4. noun

   a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
   synonyms: MB, MiB, mebibyte, megabyte

   type of:

   computer memory unit

   a unit for measuring computer memory
5. noun

   concentration measured by the number of moles of solute per liter of solution
   synonyms: molar concentration, molarity

   type of:

   concentration

   the strength of a solution; number of molecules of a substance in a given volume