Share this entry

Share this page

exoskeleton

Line breaks: exo|skel¦eton
Pronunciation: /ˈɛksəʊˌskɛlɪt(ə)n
 
/

Definition of exoskeleton in English:

noun

Zoology
A rigid external covering for the body in some invertebrate animals, especially arthropods. Compare with endoskeleton.
Example sentences
  • The trilobites comprise a major class-level clade of extinct marine arthropods characterized by calcareous, multisclerite, dorsal exoskeletons.
  • Lobsters, like all animals with exoskeletons, periodically shed their armor as they grow.
  • In these specimens the external surface of the exoskeleton is present, unless complete or partial exfoliation is noted.

Derivatives

exoskeletal

1
adjective
Example sentences
  • Both have sophisticated recognition abilities based on olfactory cues emanating from the exoskeletal cuticle.
  • In this paper we report the discovery of a nearly complete trilobite fossil over 680 mm long that yields a reconstructed exoskeletal length of more than 720 mm.
  • They considered the specimen to be testate, but where the cranidium is broken on the right posterolateral corner, there is no sign of an exoskeletal layer.

Definition of exoskeleton in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day odium
Pronunciation: ˈəʊdɪəm
noun
widespread hatred or disgust for someone…