English edit

Etymology edit

effective +‎ -ity

Noun edit

effectivity (countable and uncountable, plural effectivities)

  1. (uncountable) The ability or power to be effective.
  2. (countable) A measure of the effectiveness of something.
  3. (countable) [Technical documentation] An indication of the product, procedure, or timescale for which an item of information is applicable or effective.

Related terms edit

Translations edit

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See also edit