A common unit of radioactivity. The microcurie equals 10-6 curie or 37 kilobecquerels; this corresponds to a radioactivity of 37 000 atomic disintegrations per second
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}