Definition of haematoxylin in English:

haematoxylin

(US hematoxylin)

noun

mass nounChemistry
  • A colourless compound present in logwood, which is easily converted into blue, red, or purple dyes and is used as a biological stain.

    A phenol; chemical formula: C₁₆H₁₄O₆

    • ‘Tissues are stained in aqueous hematoxylin after mordanting in iron ammonium sulfate (iron alum).’
    • ‘Eight randomly selected sites from each inflation-fixed right lung were embedded in paraffin, and sections were cut for hematoxylin and eosin staining.’
    • ‘Inactive DNA is readily stained with hematoxylin, toluidine blue, and other similar basic dyes.’
    • ‘Full-thickness articular cartilage core specimens were cut and stained with hematoxylin and eosin and safranin-O to analyze extracellular matrix morphology, as described.’
    • ‘The specimens were cross-sectioned at a thickness of 5 [mu] m for staining with hematoxylin and eosin.’

Origin

Mid 19th century: from modern Latin Haematoxylum (genus name), from haemato- ‘of blood’ + Greek xulon ‘wood’.

Pronunciation

haematoxylin

/ˌhiːməˈtɒksɪlɪn/