cachou de Laval (English, noun)
expansion: cachou de Laval (uncountable)
Senses:
topics: chemistry
natural-sciences
physical-sciences
glosses: 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).
tags: historical
uncountable
Forms: