Charcot-Leyden crystal

noun

Elongated, double-pyramidal crystal of eosinophils found in the sputum in bronchial asthma

Meanings

nounCharcot-Leyden crystal (plural Charcot-Leyden crystals)

plural Charcot-Leyden crystals

  1. especiallypluralmedicineElongated, double-pyramidal crystal of eosinophils found in the sputum in bronchial asthma

Origin

They were described (though not first discovered) by Jean-Martin Charcot and Charles-Philippe Robin in 1853, then in 1872 by Ernst Viktor von Leyden.

Full word history & related roots →
Cite this entry
APA

Charcot-Leyden crystal. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Charcot-Leyden%20crystal

MLA

“Charcot-Leyden crystal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Charcot-Leyden%20crystal. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Charcot-Leyden crystal,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Charcot-Leyden%20crystal.

Source: Charcot-Leyden crystal on Wiktionary, CC BY-SA 4.0.