Kinyoun stain

noun

A staining procedure for acid-fast species of the bacterial genera Mycobacterium and Nocardia and the apicomplexan genus Cryptosporidium. It involves a primary stain (basic fuchsin), a decolorizer (acid-alcohol), and a counterstain (methylene blue).

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Meanings

noun
  1. A staining procedure for acid-fast species of the bacterial genera Mycobacterium and Nocardia and the apicomplexan genus Cryptosporidium. It involves a primary stain (basic fuchsin), a decolorizer (acid-alcohol), and a counterstain (methylene blue).

Origin

Developed by Joseph J. Kinyoun.

Full word history & related roots →
Cite this entry
APA

Kinyoun stain. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Kinyoun%20stain

MLA

“Kinyoun stain.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kinyoun%20stain. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Kinyoun stain,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Kinyoun%20stain.

Source: Kinyoun stain on Wiktionary, CC BY-SA 4.0.