adjective. being one more than one hundred.
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.
1. Noun, singular or mass Models made from 1974 to 1976 used a 351 ci, 400 ci or 460 ci engine. 2. Adjective Italians save "ci vediamo" and "ci sentiamo" for colleagues, friends, significant others and those they see on a regular basis.
