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Barometer vs Undefined - What's the difference?

barometer | undefined |

As a noun barometer

is barometer.

As an adjective undefined is

lacking a definition or value.

barometer

English

(wikipedia barometer)

Alternative forms

* barometre (nonstandard)

Noun

(en noun)
  • An instrument for measuring atmospheric pressure.
  • Anything used as a gauge or indicator.
  • * 1916. Michigan Law Review, Vol. 14, No. 8 (Jun., 1916), pp. 661-665 [http://links.jstor.org/sici?sici=0026-2234%28191606%2914%3A8%3C661%3APOAJO%3E2.0.CO%3B2-C&size=LARGE]:
    • "An election is not necessarily an accurate barometer of public opinion. There are other ways in which it makes itself felt, through the press, the forum, discussion, and through every other type of communication."

    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