anaphylaxis
noun /ˌænəfɪˈlæksɪs/
/ˌænəfɪˈlæksɪs/
[uncountable, countable] (plural anaphylaxes
(medical) /ˌænəfɪˈlæksiːz/
/ˌænəfɪˈlæksiːz/
)- an extreme allergic reaction to something that you eat or touchWord Originearly 20th cent.: modern Latin, from Greek ana- ‘again’ + phulaxis ‘guarding’.