Definition of fuchsin in English:


Line breaks: fuch|sin
Pronunciation: /ˈfuːksiːn
(also fuchsine)


[mass noun]
  • A deep red synthetic dye used as a biological stain and disinfectant.
    • A chloride of rosaniline; chemical formula: C20H20N3Cl
    More example sentences
    • Serial 3 m sections were stained with 1% aqueous acid fuchsin, and counter-stained with 0.05% toluidine blue.
    • Sections were also stained with Luna's aldehyde fuchsin as well as with orcein for observation and quantification of elastic fibers.
    • Schiff reagent is formed by the reaction of basic fuchsin with sulfurous acid.


mid 19th century: from German Fuchs 'fox', translating French Renard (the name of the chemical company which first produced fuchsin commercially) + -in1.

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tease (someone) playfully