e·o·sin·o·phil (ē'ə-sĭn'ə-fĭl') also e·o·sin·o·phile (-fīl')
n.

1. A type of white blood cell found in vertebrate blood, containing cytoplasmic granules that are easily stained by eosin or other acid dyes.
2. A microorganism, cell, or histological element easily stained by eosin or other acid dyes.

eosinophil e'o·sin'o·phil' or e'o·sin'o·phil'ic or e'o·si·noph'i·lous (ē'ō-sĭ-nŏf'ə-ləs) adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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