exo·​skel·​e·​ton | \ ˌek-sō-ˈske-lə-tən How to pronounce exoskeleton (audio) \

Definition of exoskeleton

1 : an external supportive covering of an animal (such as an arthropod)
2 : bony or horny parts of a vertebrate produced from epidermal tissues
3 : an artificial external supporting structure

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Other Words from exoskeleton

exoskeletal \ ˌek-​sō-​ˈske-​lə-​tᵊl How to pronounce exoskeleton (audio) \ adjective

Examples of exoskeleton in a Sentence

Recent Examples on the Web Morpheus’ unique exoskeleton architecture is mimicked inside the 115-foot-tall lobby, which is large enough to house a double Ferris wheel. Jennifer Kester, Forbes, "32 Stunning Hotel Lobbies," 19 Mar. 2021 But the shortfall in supply is also part of an older saga, involving Dendroctonus ponderosae: the mountain pine beetle, a quarter-inch insect with a shiny black exoskeleton. Samanth Subramanian, Quartz, "The US wood shortage can be traced to a decades-old beetle infestation in Canada," 18 Mar. 2021 Andrew Suarez, an entomologist at the University of Illinois, says it’s particularly exciting to see this type of mineral in an exoskeleton, considering similar minerals were previously found in more isolated, specialized structures, such as teeth. National Geographic, "Leaf-cutter ants have rocky crystal armor, never before seen in insects," 25 Nov. 2020 After the molt, Clawdia’s new exoskeleton was not as solidly blue as before. John Kuntz, cleveland, "Rare blue American lobster makes public debut at Akron Zoo (photos)," 13 Feb. 2021 His hunch did the trick, and mouthwash dissolved the mineral coating without damaging the exoskeleton. Rachael Lallensack, Smithsonian Magazine, "Ten Scientific Discoveries From 2020 that May Lead to New Inventions," 28 Dec. 2020 As of Monday, his efforts have helped raise $735,000 to fund research on a robotic exoskeleton for patients with spinal cord injuries. New York Times, "He Climbed 800 Feet in a Wheelchair. Hong Kong Watched in Awe.," 18 Jan. 2021 Take a moment to admire the Ketch’s metal exoskeleton. Christopher Reynolds, Los Angeles Times, "San Diego’s Waterfront: a driving tour," 22 Dec. 2020 Using advanced microscopy, spectroscopy and in situ mechanical testing, researchers identified the architectural designs within the creature's exoskeleton. Amy Woodyatt, CNN, "This super-beetle can survive being run over by a car -- and help with engineering problems," 21 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exoskeleton.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of exoskeleton

1847, in the meaning defined at sense 1

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Time Traveler for exoskeleton

Time Traveler

The first known use of exoskeleton was in 1847

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Last Updated

25 Mar 2021

Cite this Entry

“Exoskeleton.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exoskeleton. Accessed 14 Apr. 2021.

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More Definitions for exoskeleton


exo·​skel·​e·​ton | \ ˌek-sō-ˈskel-ət-ᵊn How to pronounce exoskeleton (audio) \

Medical Definition of exoskeleton

1 : an external supportive covering of an animal (as the system of sclerites covering the body of an insect) — compare endoskeleton
2 : bony or horny parts (as nails, hooves, or scales) of a vertebrate produced from epidermal tissues

Other Words from exoskeleton

exoskeletal \ -​ət-​ᵊl How to pronounce exoskeleton (audio) \ adjective

More from Merriam-Webster on exoskeleton

Thesaurus: All synonyms and antonyms for exoskeleton

Britannica.com: Encyclopedia article about exoskeleton

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