adrenalectomy
/əˌdriːnlˈɛktəmi/ /əˌdriːnəˈlɛktəmi/Surgery and Medicine
noun
Surgical excision of one or both adrenal glands; an instance of this. In later use also: suppression or abolition of the synthesis of adrenal hormone by means of drugs.
Origin
Early 20th century. From adrenal + -ectomy.