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See more synonyms for zoology on Thesaurus.com
noun, plural zo·ol·o·gies.
  1. the science or branch of biology dealing with animals.
  2. a treatise on zoology.
  3. the animal life of a particular region.
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Origin of zoology

First recorded in 1660–70; zoo- + -logy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for zoology


noun plural -gies
  1. the study of animals, including their classification, structure, physiology, and history
  2. the biological characteristics of a particular animal or animal group
  3. the fauna characteristic of a particular region
  4. a book, treatise, etc, dealing with any aspect of the study of animals
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Derived Formszoological (ˌzəʊəˈlɒdʒɪkəl, ˌzuːə-), adjectivezoologist, 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

Word Origin and History for zoology


1660s, from Modern Latin zoologia, from Greek zoion "animal" (see zoo) + -logia "study" (see -logy).

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Online Etymology Dictionary, © 2010 Douglas Harper

zoology in Science


[zō-ŏlə-jē, zōō-ŏl-]
  1. The scientific study of organisms in the kingdom Animalia, including their growth and structure.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

zoology in Culture



The scientific study and classification of animals. (See Linnean classification.)

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.