Overview of noun cis

The noun cis has 1 sense

• Commonwealth of Independent States, CIS -- (an alliance made up of states that had been Soviet Socialist Republics in the Soviet Union prior to its dissolution in Dec 1991)

Overview of noun ci

The noun ci has 1 sense

• curie, Ci -- (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)