Curie
A Curie (Ci) is the unit corresponding to the activity of 1g of radium. It corresponds to 37 thousand million disintegrations per second. The Curie has been replaced by the Becquerel.
See also: Units RN
Glossary Source
JRC EU CBRNe Glossary
(
EU Glossary on Chemical, Biological, Radiological, Nuclear, and Explosive risks
)
https://publications.jrc.ec.europa.eu/repository/bitstream/JRC128863/JRC128863_01.pdf