Dictionary.com

exoskeleton

[ ek-soh-skel-i-tn ]
/ ˌɛk soʊˈskɛl ɪ tn /
Save This Word!

noun Zoology.
an external covering or integument, especially when hard, as the shells of crustaceans (opposed to endoskeleton).

COMPARE COMMONLY CONFUSED WORDS

These are smilar words, and share related meanings, but their uses are very different. Click on the buttons to learn more about these commonly confused words.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of exoskeleton

First recorded in 1840–50; exo- + skeleton

OTHER WORDS FROM exoskeleton

ex·o·skel·e·tal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use exoskeleton in a sentence

British Dictionary definitions for exoskeleton

exoskeleton
/ (ˌɛksəʊˈskɛlɪtən) /

noun
the protective or supporting structure covering the outside of the body of many animals, such as the thick cuticle of arthropodsCompare endoskeleton

Derived forms of exoskeleton

exoskeletal, adjective
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

Medical definitions for exoskeleton

exoskeleton
[ ĕk′sō-skĕlĭ-tn ]

n.
All hard parts, such as hair, teeth, and nails, that develop from the ectoderm or mesoderm in vertebrates.
A hard outer structure, such as the shell of an insect, that provides protection or support for an organism.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for exoskeleton

exoskeleton
[ ĕk′sō-skĕlĭ-tn ]

A hard, protective outer body covering of an animal, such as an insect, crustacean, or mollusk. The exoskeletons of insects and crustaceans are largely made of chitin. Compare endoskeleton.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK