1. Plural of haematoxylin; organic compounds derived from logwood that are used as dyes and stains in microscopy and histology to color tissue samples for examination.
Usage: technical; chiefly British spelling (American: hematoxylins); used in laboratory and medical contexts

Examples

• The pathologist used haematoxylins to stain the tissue samples before microscopic analysis.
• Haematoxylins are essential dyes in histological laboratories worldwide.
• The haematoxylins produced a deep blue-purple color on the prepared slides.
• Different haematoxylins can be combined with mordants to achieve various staining effects.
• The quality of haematoxylins directly affects the clarity of tissue examination.