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Cyclopentadiene vs Undefined - What's the difference?

cyclopentadiene | undefined |

As a noun cyclopentadiene

is cyclopentadiene.

As an adjective undefined is

lacking a definition or value.

cyclopentadiene

English

Noun

(wikipedia cyclopentadiene)
  • (organic compound) an unsaturated alicyclic hydrocarbon, C5H6; it forms complexes with some transition elements

    • Derived terms

    * cyclopentadienyl complex

    See also

    * cobaltocene * ferrocene * nickelocene

    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