Oath - a formal promise to do something or a formal statement that something is true
Physician - a doctor, especially one who is a specialist in general medicine and not surgery
Surgery - medical treatment of injuries or diseases that involves cutting open a person’s body and often removing or replacing some parts; the branch of medicine connected with this treatment
Improve - to become better than before; to make something/somebody better than before
Invention - a thing or an idea that has been invented
Consequence - a result of something that has happened, especially an unpleasant result
Disease - an illness affecting humans, animals or plants, often caused by infection
Germ - a very small living thing that can cause infection and disease
Cure - to make a person or an animal healthy again after an illness
Sanitary - connected with keeping places clean and healthy to live in, especially by removing human waste
Prescription - an official piece of paper on which a doctor writes the type of medicine you should have, and which enables you to get it from a chemist's
Recovery - the process of becoming well again after an illness or injury
Definition of Oath from the Oxford Advanced Learner's Dictionary
