noun
US/ˈef.ɪ.kə.si/
UK/ˈef.ɪ.kə.si/
The ability of something, such as a medicine, to produce the result you want.
In context
Doctors are testing the efficacy of the new vaccine on older patients.
Short entry. Full notes coming.
The ability of something, such as a medicine, to produce the result you want.
Doctors are testing the efficacy of the new vaccine on older patients.
Short entry. Full notes coming.