a basic unit of radioactivity, equal to a rate of decay of 3.7 × 10 disintegrations per second (3.7037 × 10 becquerels): abbrev. Ci
Origin of curieafter Marie Curie
A unit of radioactivity, equal to the amount of radioactive decay of an isotope; equal to 3.7 × 1010 disintegrations per second, or 3.7 × 1010 becquerels. In 1975, the curie was replaced by the becquerel as the standard SI unit of radioactivity.
Origin of curieAfter Pierre Curie.
- A surname, especially referring to Marie Curie and her husband Pierre Curie.