noun
- Plural of eosin; a red or orange-red synthetic dye used in inks, cosmetics, and as a biological stain.
Usage: chemistry; technical
Examples
- The laboratory used eosins to stain tissue samples for microscopic examination.
- Eosins are commonly found in red food colorings and cosmetic products.
- The printer's ink contained eosins to achieve the vibrant red hue.
- Eosins have been used in histology for over a century to highlight cellular structures.