: a granulocyte readily stained by eosin that is present at sites of allergic reactions and parasitic infections
Examples of eosinophil in a Sentence
Recent Examples on the Web
Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
The research has also suggested a role for a certain type of vitamin D (gamma-tocopherol) that appears to calm the eosinophil response to pollution.
—Linda Carroll, TIME, 30 May 2024
Elevated eosinophils can also be seen in patients with asthma, and this patient had a history of asthma, but even then eosinophil counts are rarely this high.
—Lisa Sanders, New York Times, 16 May 2018
Ars Technica, 13 Feb. 2025
An overload of eosinophils in the esophagus causes inflammation, leading the esophagus to swell or narrow.
—Lindsay Curtis, Health, 24 Jan. 2025
This buildup of eosinophils leads to inflammation, damaging the tube's tissues and disrupting its function.12
The main symptom of EoE is difficulty swallowing.
—Lindsay Curtis, Health, 24 Jan. 2025
All the patients also had lung inflammation confirmed by elevated blood levels of eosinophils.
—Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
An important part of the immune system, eosinophils are a type of white blood cell that can cause inflammation in the lungs and exacerbate breathing problems.
—Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
In people with EoE, exposure to allergens, such as food or environmental allergens, causes eosinophils to collect in the esophagus, leading to inflammation.
—Lindsay Curtis, Health, 13 July 2024
Six days later, one of the family members, a 29-year-old man, was hospitalized with symptoms including fever, severe muscle aches and pains, swelling around the eyes, and eosinophils (high count of white blood cells that support the immune system).
—Mike Snider, USA TODAY, 25 May 2024
Her blood had high levels of eosinophils, white blood cells known to fight off parasitic infections.
—Beth Mole, Ars Technica, 28 Aug. 2023
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Adjective
These findings suggest that Dupixent may be a good add-on therapy for people who have high eosinophil levels that suggest inflammation in their lungs and who don’t get enough symptom relief from COPD inhalers, says Hanania.
—Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
The research has also suggested a role for a certain type of vitamin D (gamma-tocopherol) that appears to calm the eosinophil response to pollution.
—Linda Carroll, TIME, 30 May 2024
Elevated eosinophils can also be seen in patients with asthma, and this patient had a history of asthma, but even then eosinophil counts are rarely this high.
—Lisa Sanders, New York Times, 16 May 2018
Noun
Normal exam, normal blood tests, normal kidney function, and high eosinophil count—this time higher.
—Ars Technica, 13 Feb. 2025
An overload of eosinophils in the esophagus causes inflammation, leading the esophagus to swell or narrow.
—Lindsay Curtis, Health, 24 Jan. 2025
This buildup of eosinophils leads to inflammation, damaging the tube's tissues and disrupting its function.12
The main symptom of EoE is difficulty swallowing.
—Lindsay Curtis, Health, 24 Jan. 2025
All the patients also had lung inflammation confirmed by elevated blood levels of eosinophils.
—Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
An important part of the immune system, eosinophils are a type of white blood cell that can cause inflammation in the lungs and exacerbate breathing problems.
—Lisa Rapaport, EverydayHealth.com, 27 Sep. 2024
In people with EoE, exposure to allergens, such as food or environmental allergens, causes eosinophils to collect in the esophagus, leading to inflammation.
—Lindsay Curtis, Health, 13 July 2024
Six days later, one of the family members, a 29-year-old man, was hospitalized with symptoms including fever, severe muscle aches and pains, swelling around the eyes, and eosinophils (high count of white blood cells that support the immune system).
—Mike Snider, USA TODAY, 25 May 2024
Her blood had high levels of eosinophils, white blood cells known to fight off parasitic infections.
—Beth Mole, Ars Technica, 28 Aug. 2023
Cite this Entry
“Eosinophil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eosinophil. Accessed 28 Feb. 2025.
Copy CitationMedical Definition
eosinophil
1 of 2 adjective
eo·sin·o·phil
ˌē-ə-ˈsin-ə-ˌfil 
variants
also eosinophile
eosinophil
2 of 2 noun
variants
also eosinophile
: a white blood cell or other granulocyte with cytoplasmic inclusions readily stained by eosin
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