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[ahr-thruh-pod] /ˈɑr θrəˌpɒd/
any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes moltings, including the insects, spiders and other arachnids, crustaceans, and myriapods.
Also, arthropodal
[ahr-throp-uh-dl] /ɑrˈθrɒp ə dl/ (Show IPA),
[ahr-throp-uh-dn] /ɑrˈθrɒp ə dn/ (Show IPA),
[ahr-throp-uh-duh s] /ɑrˈθrɒp ə dəs/ (Show IPA)
. belonging or pertaining to the Arthropoda.
Origin of arthropod
1875-80; < New Latin Arthropoda; see arthro-, -pod Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for arthropods
  • It can expand the range of insects and arthropods that can transmit disease.
  • Fortunately, the laws of nature impose tight limits on the maximum size that arthropods can attain.
  • These hardy, adaptable arthropods have been around for hundreds of millions of years, and they are nothing if not survivors.
  • Oddly, toxicity of these substances is only quoted for arthropods, two of them: silverfish and shrimp.
  • The role played by these predatory arthropods in biological control of cereal aphids in winter wheat has yet to be determined.
  • Vertebrate chemical defense: secreted and topically acquired deterrents of arthropods.
  • arthropods, using hemolymph, have hemocytes as part of their immune system.
  • Primitive arthropods coevolved with this diversified terrestrial vegetation structure.
British Dictionary definitions for arthropods


any invertebrate of the phylum Arthropoda, having jointed limbs, a segmented body, and an exoskeleton made of chitin. The group includes the crustaceans, insects, arachnids, and centipedes
Derived Forms
arthropodous (ɑːˈθrɒpədəs), arthropodal, adjective
Word Origin
C19 from NL, from Gk arthron joint + podus footed, from pous foot
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 arthropods



1877, from Modern Latin Arthropoda, literally "those with jointed feet," biological classification of the phylum of segmented, legged invertebrates; see Arthropoda.

Online Etymology Dictionary, © 2010 Douglas Harper
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arthropods in Medicine

arthropod ar·thro·pod (är'thrə-pŏd')
Any of numerous invertebrate animals of the phylum Arthropoda, including insects, crustaceans, arachnids, and myriapods.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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arthropods in Science
Any of numerous invertebrate animals of the phylum Arthopoda, characterized by an exoskeleton made of chitin and a segmented body with pairs of jointed appendages. Arthropods share many features with annelids and may have evolved from them in the Precambrian Era. Arthropods include the insects, crustaceans, arachnids, myriapods, and extinct trilobites, and are the largest phylum in the animal kingdom.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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arthropods in Culture
arthropods [(ahr-thruh-podz)]

A phylum, or major division of the animal kingdom. Arthropods are animals with jointed legs and segmented bodies, such as insects, spiders, centipedes, and crustaceans. There are more species of arthropods than of any other animal phylum.

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