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potamology

American  
[pot-uh-mol-uh-jee] / ˌpɒt əˈmɒl ə dʒi /

noun

  1. the study of rivers.


potamology British  
/ ˌpɒtəˈmɒlədʒɪ /

noun

  1. obsolete the scientific study of rivers

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of potamology

C19: from Greek potamos river + -logy