/ ˌænəfɪˈlæksɪs; NAmE / noun
[ U , C ] ( pl. ana·phyl·axes / ˌænəfɪˈlæksiːz; NAmE /) ( medical ) an extreme allergic reaction to sth that you eat or touch
► ana·phyl·ac·tic / ˌænəfɪˈlæktɪk; NAmE / adjective :
anaphylactic shock
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WORD ORIGIN
early 20th cent.: modern Latin , from Greek ana- again + phulaxis guarding.