Efficacy (noun)
ef-ik-a-see
The ability to produce a desired or intended result.
Early 16th century from Latin efficacia, from efficax, efficac-
Example sentences
“We don’t know much about the efficacy of this method.”
ef-ik-a-see
The ability to produce a desired or intended result.
Early 16th century from Latin efficacia, from efficax, efficac-
“We don’t know much about the efficacy of this method.”