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crustaceous

[kruh-stey-shuhs]

adjective

  1. of the nature of or pertaining to a crust or shell.

  2. crustacean.

  3. having a hard covering or crust.



crustaceous

/ krʌˈsteɪʃəs /

adjective

  1. forming, resembling, or possessing a surrounding crust or shell

  2. zoology another word for crustacean

“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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Other Word Forms

  • noncrustaceous adjective
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Word History and Origins

Origin of crustaceous1

First recorded in 1640–50, crustaceous is from the New Latin word crūstāceus (adj.) hard-shelled. See crustacean, -aceous
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The organisms examined for the study were two common types of crustaceous zooplankton that differ in size and feeding behavior.

Being a toast-and-egg man myself, my day begins with the transubstantiation of bread into its crustaceous cousin, toast.

Achene naked, bony or crustaceous, supported on a hardened disk.

Another very distinct group with silvery foliage—the crustaceous group—contains some of our choicest Alpines.

Gulls are, moreover, of material service, for they perform for the surface of the sea the same office which crustaceous animals do for its depths.

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crustaceancrustal