hygrology
(haɪɡrˈɒlədʒɪ) n1. (Physical Geography) meteorol the study of humidity of the air or atmosphere
2. (Medicine) med the scientific study of fluids of the body
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014