- (uncountable) The ability or power to be effective.
- (countable) A measure of the effectiveness of something.
- (countable) [Technical documentation] An indication of the product, procedure, or timescale for which an item of information is applicable or effective.
the ability or power to be effective
a measure of the effectiveness of something
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.