Microcurie 3 : General. One millionth of a curie. That amount of radioactive material that disintegrates (decays) at the rate of 37 thousand atoms per second
U.S. Nuclear Regulatory Commission (NRC), Full-Text Glossary, Washington, DC, USA 2014. http://www.nrc.gov/reading-rm/basic-ref/glossary/f ull-text.html, (Dzstr/ Disabl Mass Care - Amer) {826}