analgesia
noun
an·al·ge·sia ˌa-nᵊl-ˈjē-zh(ē-)ə 
-zē-ə
: insensibility to pain without loss of consciousness
Example Sentences
Recent Examples on the Web Kappa receptors also have recently become more promising targets for analgesia. 
Jonathon Keats, Discover Magazine, 11 May 2018 Acid Trip Stein’s accidental late-’80s discovery of a connection between analgesia and inflammation opened a new pathway to pain treatment. Jonathon Keats, Discover Magazine, 11 May 2018 Kappa receptors also have recently become more promising targets for analgesia. Jonathon Keats, Discover Magazine, 11 May 2018 Also, the higher the BAC, the greater the analgesia. Taysha Murtaugh, Country Living, 4 May 2017
Jonathon Keats, Discover Magazine, 11 May 2018 Acid Trip Stein’s accidental late-’80s discovery of a connection between analgesia and inflammation opened a new pathway to pain treatment. Jonathon Keats, Discover Magazine, 11 May 2018 Kappa receptors also have recently become more promising targets for analgesia. Jonathon Keats, Discover Magazine, 11 May 2018 Also, the higher the BAC, the greater the analgesia. Taysha Murtaugh, Country Living, 4 May 2017 Word History
Etymology
borrowed from New Latin, borrowed from Greek analgēsía "lack of feeling, insensibility," from an- an- + álgēsis "sense of pain" (from algē-, variant stem of algéō, algeîn "to feel pain, suffer" — derivative of álgos "pain," of uncertain origin — + -sis -sis) + -ia -ia entry 1, probably formed after análgētos "insensible to pain"
First Known Use
circa 1706, in the meaning defined above
Medical Definition
analgesia
noun
an·al·ge·sia ˌan-ᵊl-ˈjē-zhə, -z(h)ē-ə
: insensibility to pain without loss of consciousness