eosinophil

[ ee-uh-sin-uh-fil ]

noun

1. Histology. any cell, tissue, organism, or substance that has an affinity for eosin and other acid stains.
2. Cell Biology. a leukocyte having eosinophilic granules in the cytoplasm and usually a bilobate nucleus.

adjective

1. eosinophilic.

eosinophil

/ ˌiːəʊˈsɪnəˌfaɪl; ˌiːəʊˈsɪnəˌfɪl; ˌiːəʊsɪˈnɒfɪləs /

noun

1. a leucocyte with a multilobed nucleus and coarse granular cytoplasm that stains readily with acidic dyes such as eosin

Derived Forms

• ˌeoˌsinoˈphilic, adjective

Word History and Origins

Origin of eosinophil¹

First recorded in 1885–90; eosin + -o- + -phil(e)

Example Sentences

As Christophe Desmet explains, "these questions previously suffered from a too rudimentary definition of the eosinophil development pathway in our bone marrow."

From Science Daily

This study thus provides resources, methods, and perspectives to understand the origin of eosinophils, the effects of current precision therapies, and the regulation of eosinophil development and numbers in normal and disease conditions.

From Science Daily

Benralizumab is a biologic therapy that reduces the number of inflammatory cells called eosinophil.

From Science Daily

Indeed, her eosinophil count was quite high — eight times the level normally seen.

From New York Times

As part of a study on asthma, we performed a genome-wide association study for eosinophil cell counts.

From Nature