1. An abnormally high number of eosinophils (a type of white blood cell) in the blood or tissues, often indicating an allergic reaction, infection, or certain medical conditions.
Usage: medical/clinical term; typically used in medical contexts and diagnoses

Examples

• The patient's blood test revealed eosinophilia, suggesting a possible parasitic infection.
• Eosinophilia is commonly observed in people with severe allergies or asthma.
• The doctor ordered additional tests to determine the cause of the eosinophilia.
• Certain medications can trigger eosinophilia as a side effect.
• Eosinophilia may indicate an underlying autoimmune disorder that requires further investigation.