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Efficacy vs Functionality - What's the difference?

efficacy | functionality |

As nouns the difference between efficacy and functionality

is that efficacy is ability to produce a desired amount of a desired effect while functionality is the ability to perform a task or function; that set of functions that something is able or equipped to perform.

efficacy

English

Noun

(-)
  • (uncountable) Ability to produce a desired amount of a desired effect.

    • Synonyms

    * efficacity

    Related terms

    * effect * effective * effectiveness * effectivity * effector * effectual * effectuate * efficacious * efficacity * efficiency * efficient

    External links

    * *

    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