nigrosine
/ˈnʌɪɡrə(ʊ)siːn/ /ˈnʌɪɡrə(ʊ)sɪn/(also nigrosin) Chemistry
noun
Any of various dark blue or blackish aniline compounds used in dyes, inks, and leather polishes, and as biological stains.
Origin
Late 19th century; earliest use found in Science. Apparently from nigro- + -sine, -sin in similar names of dyestuffs.
- pseudo-Catholic
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- pseudo-Christ
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