an·es·the·sia (US) or Brit an·aes·the·sia 
/ˌænəsˈθi:ʒə/ noun
/ˌænəsˈθi:ʒə/ noun [noncount] medical : loss of feeling in a person's body or part of the body through the use of drugs
▪ The patient was given an injection to induce anesthesia. ▪ patients who are under general anesthesia [=patients who have been given drugs that make them unconscious and unable to feel pain] ▪ The doctor removed the mole while the patient was under local anesthesia. [=the patient had been given drugs that took away feeling in only the part of the body where the doctor worked]
▪ The patient was given an injection to induce anesthesia. ▪ patients who are under general anesthesia [=patients who have been given drugs that make them unconscious and unable to feel pain] ▪ The doctor removed the mole while the patient was under local anesthesia. [=the patient had been given drugs that took away feeling in only the part of the body where the doctor worked]
