fuchsin

 
Pronunciation: /ˈfuːksiːn/
(also fuchsine)

noun

[mass noun]
  • a deep red synthetic dye used as a biological stain and disinfectant.
    • A chloride of rosaniline; chemical formula: C20H20N3Cl

Origin:

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