Nigrosine

noun, often capitalized Ni·gro·sine \ˈnīgrəˌsēn, -sə̇n\
variants: or

nigrosine

less commonly

Nigrosin

\-sə̇n\ or

nigrosin

Definition of Nigrosine

plural

-s

  1. :  any of several azine dyes closely related to the indulines: such as a or Nigrosine Base B :  an oil-soluble bluish black dye obtained as the free base by heating aniline and aniline hydrochloride and nitrobenzene or nitrophenol in the presence of iron and used chiefly in coloring waxes, shoe polish, plastics, and lacquers and as wood stains b or Nigrosine Spirit Soluble :  a chloride of the free base that is soluble in alcohol and is used similarly c or Nigrosine Water Soluble :  a water-soluble sulfonation product of the free base or of its chloride used chiefly in dyeing leather and paper and as a biological stain

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of nigrosine

Latin nigr-, niger black + English -ose + -ine or -in


Seen and Heard

What made you want to look up Nigrosine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a trip made at another's expense

Get Word of the Day daily email!