arachnophobia
noun/əˌræknəˈfəʊbiə/
/əˌræknəˈfəʊbiə/
[uncountable]- an extreme fear of spidersWord Origin1920s: modern Latin, from Greek arakhnē ‘spider’ + -phobia (see phobia).
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arachnophobia
Definition of arachnophobia noun from the Oxford Advanced Learner's Dictionary