Hematoxylin

//ˌhiːməˈtɒksɪlɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A phenolic compound having the chemical formula C₁₆H₁₄O₆, used (most often in conjunction with eosin) to make dye for staining tissue samples; extracted from the heart of bloodwood trees (Haematoxylum campechianum). countable, uncountable

    "Histology sections were cut at 5–6 µm on a rotary microtome, mounted on glass slides, and stained with Harris’s haematoxylin and eosin in a Stainomatic specimen stainer."

Example

More examples

"A biopsy specimen was obtained and sent to Pathology where it was sectioned and stained with hematoxylin and eosin."

Etymology

From Haematoxylum (“genus of the logwood tree”) + -in.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.