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Formaldehyde vs Undefined - What's the difference?

formaldehyde | undefined |

As a noun formaldehyde

is formaldehyde.

As an adjective undefined is

lacking a definition or value.

formaldehyde

English

(wikipedia formaldehyde)

Noun

(-)
  • (organic compound) The simplest aldehyde, H-CHO, a colourless gas that has many industrial applications; it dissolves in water to give formalin.

    • Synonyms

    * (H-CHO) (when used as a preservative), methanal (IUPAC name)

    Hypernyms

    * (organic compound) aldehyde

    Related terms

    * formalin * formic acid

    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