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Hydrant vs Undefined - What's the difference?

hydrant | undefined |

As a noun hydrant

is fire hydrant.

As an adjective undefined is

lacking a definition or value.

hydrant

English

Noun

(en noun)
  • An outlet from a liquid/fluid main often consisting of an upright pipe with a valve attached from which fluid (e.g. water or fuel) can be tapped.

    • Derived terms

    * fire hydrant

    Descendants

    * German: ----

    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