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[awr-nuh-thol-uh-jee] /ˌɔr nəˈθɒl ə dʒi/
the branch of zoology that deals with birds.
Origin of ornithology
1645-55; < New Latin ornithologia. See ornitho-, -logy
Related forms
[awr-nuh-thuh-loj-i-kuh l] /ˌɔr nə θəˈlɒdʒ ɪ kəl/ (Show IPA),
ornithologic, adjective
ornithologically, adverb
ornithologist, noun
unornithological, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ornithology
  • The apps can all but replace the stacks of ornithology guidebooks you'd need for a true birding education.
  • Philosophy of science is about as useful to scientists as ornithology is to birds.
  • Art, swimming, and ornithology were his primary interests at the tough local comprehensive school.
  • Philosophy to science is about as useful as ornithology is to birds.
  • Visitors who are not keen on ornithology can enjoy a bit of swimming or trekking.
  • Let's say you were in detention, and wanted to form an ornithology study group.
British Dictionary definitions for ornithology


the study of birds, including their physiology, classification, ecology, and behaviour
Derived Forms
ornithological (ˌɔːnɪθəˈlɒdʒɪkəl) adjective
ornithologically, adverb
ornithologist, noun
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
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Word Origin and History for ornithology

1670s, from Modern Latin ornithologia (1590s); see ornitho- + -logy.

Online Etymology Dictionary, © 2010 Douglas Harper
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ornithology in Science
The scientific study of birds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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