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noun

  • A unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37, 000, 000, 000 disintegrations per second.
  • An alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991.
by WordNet 3.0 © 2006 by Princeton University
Cis is a masculine given name
  • Name Meaning: Hard, difficult, straw, for age
  • Name Origin: Biblical
(Military) CIS stands for one of the following: common item support; Commonwealth of Independent States; communications interface shelter
by Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.