To relieve or reduce pain without causing unconsciousness, or to treat with analgesics.
From Greek 'an-' (without) + 'algos' (pain) + '-ize' (to make or become). The term emerged in medical contexts in the 19th century to describe pain-relieving treatments that don't require full anesthesia.
This word represents a crucial shift in medicine—before analgesia, doctors had to choose between leaving patients in agony or knocking them completely out. The ability to separate pain relief from unconsciousness revolutionized surgery and chronic disease management.
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