the branch of zoology dealing with whales and dolphins.
Origin of cetology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the branch of zoology concerned with the study of whales (cetaceans)
Word Origin for cetology
C19: from Latin cētus whale
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