A unit of refrigeration formerly used in Europe, equal to 1 (kilogram) Calorie per hour (4.1868 kilojoulesper hour, or 3.9683 Btu per hour). The name was coined from the calorie by replacing the Latin calor, for heat, with frigor, for cold
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}