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eosin
e·o·sin
[
əssin
]
noun
Definition:
red stain:
a red crystalline solid. Use: biological stain, dye in cosmetics. C
20
H
6
Br
4
O
5
K
2
[
Mid-19th century. < Greek
ēōs
"dawn"; because of its color
]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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