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Hoarfrost vs Undefined - What's the difference?

hoarfrost | undefined |

As a noun hoarfrost

is dew-drops which have undergone deposition and frozen into ice crystals to form a white deposit on an exposed surface, when the air is cold and moist.

As an adjective undefined is

lacking a definition or value.

hoarfrost

English

(wikipedia hoarfrost)

Alternative forms

* hoar frost * hoar-frost

Noun

(en-noun)
  • Dew-drops which have undergone deposition and frozen into ice crystals to form a white deposit on an exposed surface, when the air is cold and moist.

    • Related terms

    * hoar

    See also

    * dew * dew point * rime * glaze

    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