Eosin
Definition, Meaning & Examples
Pronunciation /ˈi.əsɪn/ · Part of speech noun
Quick meaning: Eosin is a noun meaning (organic chemistry) A red, acidic dye commonly used in histological stains.
Meaning
(organic chemistry) A red, acidic dye commonly used in histological stains.
Example Sentences
The hematoxylin and eosin stain (H&E) is the most widely used histological stain.
Eosins are acid xanthene or phthalein dyes. Eosin Y, eosin B, phloxine and erythrosin (which unlike other eosins, is halogenated with iodine), are the common members of this group of dyes.
Thus the fluorescence of the familiar dye eosin can be excited quite well by ultra-violet or short-wave blue light, but is much better excited by visible green light with a wavelength close to that of the emitted radiation.
Word Forms
- eosins
Synonyms for eosin
Depending on context, synonyms include bromeosin.
Related Words
Related dictionary entries include bromeosin, nigrosin, hematoxylin, methylene, haematoxylin, dye.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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