the branch of zoology that deals with birds.
Origin of ornithology
Related formsor·ni·tho·log·i·cal [awr-nuh-thuh-loj-i-kuh l] /ˌɔr nə θəˈlɒdʒ ɪ kəl/, or·ni·tho·log·ic, adjectiveor·ni·tho·log·i·cal·ly, adverbor·ni·thol·o·gist, nounun·or·ni·tho·log·i·cal, adjective
From the New Latin
dating back to 1645–55.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ornithological
Contemporary Examples of ornithological
Historical Examples of ornithological
The ornithological world is peopled by two classes of human beings.
I have never seen any mention of this in an ornithological treatise.
Thus, quite unconsciously, was an ornithological fact elucidated.
I do not know how I came to see them, for I was not in an ornithological frame of mind.
In ornithological works it is described under the former of these names.
British Dictionary definitions for ornithological
Derived Formsornithological (ˌɔːnɪθəˈlɒdʒɪkəl), adjectiveornithologically, adverbornithologist, noun
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
Word Origin and History for ornithological
1670s, from Modern Latin ornithologia (1590s); see ornitho- + -logy.
Online Etymology Dictionary, © 2010 Douglas Harper
ornithological in Science
The scientific study of birds.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.