an·al·ge·sia /ˌænḷˈʤiʒ(i)ə, ziə/ 無痛覺,痛覺喪失
an·al·ge·sia /ˌænḷˈʤɪʒə, z(h)ɪə/ 名詞 痛覺缺失,止痛法,無痛法
an·al·ge·si·a n. Med. Absence of sensibility to pain. ◄ ►
analgesia n : absence of the sense of pain without loss of consciousness