anaphylaxis

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˌænəfɪˈlæksɪs/US:USA pronunciation: respellingUSA pronunciation: respelling(an′ə fə lak′sis)


WordReference Random House Unabridged Dictionary of American English © 2025
an•a•phy•lax•is  (an′ə fə lak′sis),USA pronunciation n. [Pathol.]
  1. Pathologyexaggerated allergic reaction to a foreign protein resulting from previous exposure to it.
  • 1905–10; ana- + (pro)phylaxis
an•a•phy•lac•tic  (an′ə fə lak′tik),USA pronunciation adj.  an′a•phy•lac′ti•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
anaphylaxis / ˌænəfɪˈlæksɪs/, anaphylaxy / ˌænəfɪˈlæksɪ/
  1. extreme sensitivity to an injected antigen, esp a protein, following a previous injection
Etymology: 20th Century: from ana- + ( pro) phylaxis
'anaphylaxis' also found in these entries (note: many are not synonyms or translations):
allergy

Forum discussions with the word(s) "anaphylaxis" in the title:


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