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ornithology

American  
[awr-nuh-thol-uh-jee] / ˌɔr nəˈθɒl ə dʒi /

noun

  1. the branch of zoology that deals with birds.

ornithology British  
/ ˌɔːnɪθəˈlɒdʒɪkəl, ˌɔːnɪˈθɒlədʒɪ /

noun

  1. the study of birds, including their physiology, classification, ecology, and behaviour

"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
ornithology Scientific  
/ ôr′nə-thŏl′ə-jē /

  1. The scientific study of birds.

Other Word Forms

  • ornithologic adjective
  • ornithological adjective
  • ornithologically adverb
  • ornithologist noun
  • unornithological adjective

Etymology

Origin of ornithology

From the New Latin word ornithologia, dating back to 1645–55. See ornitho-, -logy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.