"tending to remove pain," 1848, from analgesia + -ic. Alternative form analgetic is preferred by linguistic purists but is less common in use. The noun meaning "an analgesic preparation" recorded by 1860.
analgesic an·al·ge·sic (ān'əl-jē'zĭk, -sĭk)n. A medication capable of reducing or eliminating pain. Also called analgetic. adj. Characterized by analgesia.
A drug, such as aspirin, that relieves pain in the body.