eosin (redirected from Acid Red 87)

eosin /eo·sin/ (e´o-sin) any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histologic and laboratory procedures.

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e·o·sin (-sn)

n.

Any of a class of red acid dyes of the xanthene group used as cytoplasmic stains and as counterstains, especially the sodium and potassium salts of certain of these dyes.

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eosin (e´osin),

n one of a pair of dyes used to color tissue samples to augment visibility under a microscope. The dyes are rose-colored, causing the cytoplasm to appear pink.

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eosin

any of a class of rose-colored stains or dyes, all being bromine derivatives of fluorescein; eosin Y, the sodium salt of tetrabromofluorescein, is much used in histological and laboratory procedures. See also hematoxylin and eosin stain.