noun🔗ShareAbility to produce a desired effect under ideal testing conditions."The new study showed the efficacy of the tutoring program in raising student test scores under ideal classroom conditions. "abilitymedicinescienceachievementtechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareDegree of ability to produce a desired effect."The doctor checked the efficacy of the new medicine to see if it helped patients feel better. "abilityoutcomeachievementqualityChat with AIVocabulary GamePractice Reading
