eosinophil

adjective
eo·​sin·​o·​phil | \ˌē-ə-ˈsi-nə-ˌfil \

Definition of eosinophil 

(Entry 1 of 2)

eosinophil

noun

Definition of eosinophil (Entry 2 of 2)

: 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: Adjective

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, "Why Did the Young Woman’s Heartburn Keep Getting Worse?," 16 May 2018

Recent Examples on the Web: Noun

Drugs, including aspirin and other NSAIDs — nonsteroidal anti-inflammatories including ibuprofen — can cause an increase in eosinophils for reasons that are not well understood. Sandra G. Boodman, Washington Post, "Her doctor said she had the flu. It took years to find the real, and strange, illness.," 23 June 2018 Feng had recently completed his residency at Scripps Clinic in San Diego, during which he had been involved in the care of several dozen patients with a similar profile: recurrent sinus infections, asthma and high eosinophil counts. Sandra G. Boodman, Washington Post, "Her doctor said she had the flu. It took years to find the real, and strange, illness.," 23 June 2018 The tiny samples were loaded with eosinophils, up to 100 of the cells per high-powered microscopic field. Lisa Sanders, New York Times, "Why Did the Young Woman’s Heartburn Keep Getting Worse?," 16 May 2018 Elevated eosinophils can be seen in Crohn’s, although not usually as high as this young woman’s. Lisa Sanders, New York Times, "Why Did the Young Woman’s Heartburn Keep Getting Worse?," 16 May 2018 Instead, their blood was swarming with another type of immune cell, eosinophils, which provoke allergic reactions. Gina Kolata, New York Times, "Barnyard Dust Offers a Clue to Stopping Asthma in Children," 3 Aug. 2016 Physicians can now blend standard data like age, race, and medical history, along with molecular data like the composition and amount of a person’s eosinophils, a type of white blood cell that mediates asthma attacks. Vann R. Newkirk Ii, The Atlantic, "How to Beat Asthma," 5 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eosinophil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of eosinophil

Adjective

circa 1882, in the meaning defined above

Noun

circa 1900, in the meaning defined above

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The first known use of eosinophil was circa 1882

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More Definitions for eosinophil

eosinophil

adjective
eo·​sin·​o·​phil | \ˌē-ə-ˈsin-ə-ˌfil \
variants: also eosinophile \-​ˌfīl \

Medical Definition of eosinophil 

(Entry 1 of 2)

eosinophil

noun
variants: also eosinophile

Medical Definition of eosinophil (Entry 2 of 2)

: a white blood cell or other granulocyte with cytoplasmic inclusions readily stained by eosin

More from Merriam-Webster on eosinophil

Britannica.com: Encyclopedia article about eosinophil

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