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Furan vs Undefined - What's the difference?

furan | undefined |

As a noun furan

is (organic chemistry) any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and an oxygen atom; especially the simplest one, c4h4o.

As an adjective undefined is

lacking a definition or value.

furan

English

(wikipedia furan)

Noun

(en noun)
  • (organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and an oxygen atom; especially the simplest one, C4H4O.

    • Derived terms

    * furanose ----

    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