cachou de Laval

noun

A forerunner of sulfur dyes, prepared by treating products with lignin (like sawdust or straw) with sulfide sources (like sodium hydroxide or sulfide mixed with sulfur).

OriginFrench [Term?] →
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Meanings

nouncachou de Laval (uncountable)
  1. historicaluncountablechemistryA forerunner of sulfur dyes, prepared by treating products with lignin (like sawdust or straw) with sulfide sources (like sodium hydroxide or sulfide mixed with sulfur).

Origin

  1. French[Term?]
  2. Englishcachou de Laval

French [Term?]

More words from French

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Cite this entry
APA

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

MLA

“cachou de Laval.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cachou%20de%20Laval. Accessed November 5, 2026.

Chicago

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

Source: cachou de Laval on Wiktionary, CC BY-SA 4.0.