Treated with ether; anesthetized using ether; having ether-like qualities.
From ether plus -ed. In medical history, refers to patients who were anaesthetized with ether vapor before surgery became possible.
Ether was the first widely-used surgical anesthetic — the famous first public demonstration was in 1846 at Massachusetts General Hospital, and the surgeon said 'Gentlemen, this is no humbug!' because they could finally operate without the patient screaming.
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