MSD

  1. Short for Most Significant Digit, MSD is the digit to the far left in a string of digits. For example, in the number 2006, the "2" is the most significant digit.
  2. Short for Microsoft Diagnostics. See Microsoft Diagnostics for definition.
  3. Short for Moscow Summer Time.

Also see: Digit, Least significant digit, Most significant bit, Most significant byte, Most significant character