1. a red antiseptic dye used as a topical disinfectant, commonly known as Mercurochrome
Usage: medical; trademark

Examples

• The doctor applied merbromin to the small cut on the child’s knee.
• Merbromin was once a common household antiseptic before concerns about mercury content.
• The bright red stain of merbromin was difficult to wash off skin and clothing.
• Many countries have banned merbromin due to its mercury content.
• The school nurse kept a bottle of merbromin in the first aid kit.
• Merbromin is no longer recommended for treating wounds because of safety concerns.