a leucocyte with a multilobed nucleus and coarse granular cytoplasm that stains readily with acidic dyes such as eosin
Derived forms
eosinophilic (ˌeoˌsinoˈphilic) or eosinophilous (ˌiːəʊsɪˈnɒfɪləs)
adjective
eosinophil in American English
(ˌioʊˈsɪnəˌfɪl)
noun
Biology
any structure, cell, etc. readily stainable with eosin; esp., the granular whiteblood cells that increase greatly in number in certain allergic and parasitic diseases