- hundred and one, a hundred and one, one hundred one, 101, ci - being one more than one hundred
Antonym: ordinal (indirect, via cardinal)
- 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
--1 is a kind of radioactivity unit
--1 has parts: millicurie