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Functionality vs Undefined - What's the difference?

functionality | undefined |

As a noun functionality

is the ability to perform a task or function; that set of functions that something is able or equipped to perform.

As an adjective undefined is

lacking a definition or value.

functionality

English

Noun

  • The ability to perform a task or function; that set of functions that something is able or equipped to perform.
  • (US, legal) In United States trademark law, the tendency of a product design to serve a function other than identification of the product, preventing that design from being protected as a trademark.
  • (organic chemistry) The presence of a functional group.
    • Aldrichimica Acta Volume 30 No 4] (pdf) from [http://www.sigmaaldrich.com/chemistry/chemical-synthesis/learning-center/aldrichimica-acta.html Sigma-Aldrich
  • :: The vinyldiazomethanes that have been commonly used in our studies contain an electron-withdrawing group adjacent to the diazo functionality .

    • Related terms

    * function * functional

    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