Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cis

1 sense of cis

Sense 1
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)
       => world organization, world organisation, international organization, international organisation, global organization -- (an international alliance involving many different countries)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ci

1 sense of ci

Sense 1
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)
       => radioactivity unit -- (a measure of radioactivity)