A greater degree of abnormal increase in the number of eosinophilic granulocytes in the circulating blood or the tissues; e.g., in diseases where the degree of eosinophilia usually ranges from 10–30%, an increase to 50 or 60% (or more) might be regarded as h..
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hy·per·eo·sin·o·phil·ia (hi″pər-e″o-sin″o-filґe-ə) extreme eosinophilia.Medical dictionary. 2011.