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nigrosine

American

[nahy-gruh-seen, -sin] / ˈnaɪ grəˌsin, -sɪn /

Also nigrosin

noun

Chemistry.

any of the class of deep blue or black dyes obtained by the oxidation of aniline, used as coloring agents in inks and shoe polishes and for dyeing leather, wood, textiles, and furs.

nigrosine British

/ ˈnɪɡrəsɪn, -sɪn, ˈnɪɡrəˌsiːn /

noun

any of a class of black pigments and dyes obtained from aniline: used in inks and shoe polishes and for dyeing textiles

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of nigrosine

1890–95; < Latin nigr- (stem of niger ) black, dark + -ose ¹ + -ine ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shaw's—Borax, 3 ozs.; orange shellac, 5 ozs.; water, q. s.; boil and add soluble aniline black or nigrosine, q. s.

From Scientific American, Vol. XXXIX.?No. 24. [New Series.], December 14, 1878 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023