1. A type of white blood cell that helps fight infection and inflammation, especially in response to parasites and allergies.
Usage: medical/scientific term; plural form; singular is eosinophil; also called acidophils

Examples

• The doctor ordered a blood test to check the patient's eosinophil count.
• High levels of eosinophils can indicate an allergic reaction or parasitic infection.
• Eosinophils are one of the five main types of white blood cells in the human body.
• The patient's eosinophils increased significantly after exposure to the allergen.
• Under a microscope, eosinophils appear pink or red due to their staining properties.
• Eosinophils play an important role in the immune response to certain infections.