eosin


eo·sin

noun \ˈē-ə-sən\

Definition of EOSIN

1
:  a red fluorescent dye C20H8Br4O5 obtained by the action of bromine on fluorescein and used especially in cosmetics and as a toner; also :  its red to brown sodium or potassium salt used especially as a biological stain for cytoplasmic structures
2
:  any of several dyes related to eosin

Variants of EOSIN

eo·sin also eo·sine \-sən, -ˌsēn\

Origin of EOSIN

International Scientific Vocabulary, from Greek ēōs dawn
First Known Use: 1866

eo·sin

noun \ˈē-ə-sən\   (Medical Dictionary)

Medical Definition of EOSIN

1
: a red fluorescent dye C20H8Br405 obtained by the action of bromine on fluorescein and used especially in cosmetics and as a toner; also : its red to brown sodium or potassium salt used especially as a biological stain for cytoplasmic structures
2
: any of several dyes related to eosin

Variants of EOSIN

eo·sin also eo·sine \-sən, -ˌsēn\

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