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Quinoline vs Undefined - What's the difference?

quinoline | undefined |

As a noun quinoline

is (organic compound) any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a pyridine ring; especially the simplest such compound, c9h7n.

As an adjective undefined is

lacking a definition or value.

quinoline

English

Noun

(wikipedia quinoline) (en noun)
  • (organic compound) Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a pyridine ring; especially the simplest such compound, C9H7N.

    • Derived terms

    * isoquinoline * nitroquinoline

    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