mucicarmine
/ˌmjuːsɪˈkɑːmʌɪn/(also mucicarmin) Histology
noun
A histochemical stain containing carmine and aluminium salts (aluminium chloride and, often, hydroxide), used to stain weakly acidic mucosubstances and encapsulated fungi.
Origin
Late 19th century. From muci- + carmine adjective, after German Mucicarmin.