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Jellyfish vs Undefined - What's the difference?

jellyfish | undefined |

As a noun jellyfish

is (zoology) an almost transparent aquatic being; any one of the acalephs, especially one of the larger species, having a jellylike appearance.

As an adjective undefined is

lacking a definition or value.

jellyfish

English

Noun

  • (zoology) An almost transparent aquatic being; any one of the acalephs, especially one of the larger species, having a jellylike appearance.
  • # A cnidarian, a member of the phylum Cnidaria.
  • ## A scyphozoan, a member of the class Scyphozoa (the true jellies).
  • # A ctenophore, a member of the phylum Ctenophora (the comb jellies).

    • Usage notes

    Some writers prefer the term jelly, which does not imply that it is a type of fish.

    See also

    * medusa

    External links

    * (wikipedia)

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined